Toro LX500 Lawn Tractor Riding Product manual

Consumer Products

2006

GT2000 SERIES GARDEN TRACTORS

DEMYSTIFICATION GUIDE

About this manual

We hope that you fi nd this manual a valuable addition to your service shop. If you have comments or questions about this manual contact your Distributor Service

Manager or us directly at the following assress:

The Toro Company

Consumer service department

8111 Lyndale Avenue South

Bloomington, MN 55420-1196

The Toro company reserves the right to change product specifi cations or this manual without notice.

Copyright© - All Rights Reserved

The Toro Company - 2006

Bloomington, MN 55420-1149 - U.S.A

TABLE OF CONTENTS

PAGE CHAPTER

Table of contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1

Time Savers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1

Glossary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1

LX420 / LX460 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1

LX500 / GT2100 / GT2200 / GT2300 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1

Demystifi cation Glossary 1-1

This page intentionally left blank

1-2

Demystifi cation Glossary

TIME SAVERS

Table of contents

Using this manual. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2

Using a VOM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-7

Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-9


TIME SAVERS

2-2

The Glossary contains information on virtually every electrical part used on Toro riding products.

GLOSSARY

Solenoid, Starter

alphabetically by noun, followed by any adjectives. If you have trouble finding a component, use the Table of Contents at the front of the Glossary section.

These three sections should be all you need to diagnose problems on individual components.

Figure 8

solloc

Purpose

The solenoidʼs purpose is simply to connect the battery to the starter motor when the ignition switch is turned to “START”. The solenoid is used to protect the ignition switch from the high current drawn by the starter motor.

How it Works

The solenoid has two primary parts. One is a coil of wire wrapped around an iron core. Whenever 12 volts is applied to the coil, it becomes a magnet. The other part is a bar type switch (Figure 9). Because it has a large contact area with the contact terminals it can easily handle the high current loads required by the starter motor.

When 12 volts is applied to the coil, it becomes an electromagnet. This quickly pulls the bar toward contacts and closes the switch. When power is removed from the coil, the spring loaded bar returns to its “normally open” position. The solenoid closes and opens the switch very quickly. This minimizes the

“arcing” that can damage other types of switches.

The ignition switch is protected because only a small amount of current is needed to activate the coil.

C D

A B

Solenoid

(not energized)

Figure 9

start sol

Testing

1. Disconnect the solenoid from the wiring harness.

2. With a multimeter (ohms setting), check to ensure that terminals “c” and “d” are open (no continuity)

(Figure 10).

3. Apply +12 VDC to terminal “a” and ground mounting tab “b”. Terminals “c” and “d” should now be closed

(continuity) (Figure 10).

4. You should be able to hear the solenoid switch

“click” when you make the connection.

C

D

Figure 10

A

B

start sol

1-11


TIME SAVERS

LX420, LX460

Each product series has its own

2006

- Info List

- Wiring Diagrams

- Circuit Diagrams

Image helps you quickly identify product sections.

Each product section has its own

"Table of Contents" to keep things simple.

The "Info List" is the first page of each product section.

LX420 Information List (2006)


Wiring Diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 - 2

Circuit Diagrams

Starter Motor Circuit . . . . . . . . . . . . . . . . . . . . . 3 - 4

Spark Circuits . . . . . . . . . . . . . . . . . . . . 3 - 5 - 3 - 12


2-1

2-3

TIME SAVERS

2-4

LX420, LX460 2006

Wiring Diagram

Each product section includes the original wiring diagram.

L G M S B A1 A2

HEADLIGHT HARNESS

GN GN Y OR R/W R

W

GN

GN

BU

R

IGNITION SWITCH

OFF

RUN 1

G M A1

B A1 AND L A2

RUN 2 B A1

START B S A1

OR

BRAKE SWITCH

BRAKE SWITCH IS SHOWN

WITH BRAKE APPLIED

Y

Y/BK

OR/BK

R/W

Y

OR/BK

Y

R/W

Y

R/W

BRAKE +

BRAKE

PTO

PTO +

N/C

+ 12V

GND

OR

OR/BK

OR/W

OR/BK

R

GN

SYSTEMS INDICATOR MONITOR / HOUR METER

GND

R

Y/BK

The wiring diagrams page spread to make them easier to read.

The arrows show the conection point.

R

W

Y/W

GN

PARK SWITCH

PARK SWITCH IS SHOWN

PARK BRAKE ON

2-2


TIME SAVERS

2006 LX420, LX460

Wiring Diagram

BN

BU

GY

W

PUR

R

BROWN

BLUE

GRAY

WHITE

PURPLE

RED

PK

BK

Y

T

GN

OR

WIRE COLOR CODES

PINK

BLACK

YELLOW

TAN

GREEN

ORANGE

OR/BK

OR/W

Y/W

Y/BK

R/W

R/BK

ORNGE BLACK

ORNGE WHITE

YELLOW WHITE

YELLOW BLACK

RED WHITE

RED BLACK

R/W

FUSE

20A

Y

OR/BK

PTO SWITCH

PTO SWITCH IS SHOWN

WITH PTO OFF

Y/BK

R

Y

R/W

R

R

B+

R

START

OR/W

SOLENOID

Y

MAG closely represents the

REG wiring harness and is very useful in

diagnosing short

circuits.

R

+

-

STARTER

AC

AC

IGNITION

MODULE

SPARK PLUG

AFTERFIRE

SOLENOID

R

Y/BK

OR/W

R

W

Y/W


Y/BK

Y/BK

SEAT SWITCH

SEAT SWITCH IS SHOWN

WITH OPERATOR PRESENT

R

W

Y/BK

Y/W

A1 POWER PB BYPASS GN

A2 POWER

MAGNETO

PARK SW

RMC MODULE

GROUND

REV SW

GN

R/BK

REVERSE SWITCH

REVERSE SWITCH IS

SHOWN IN FORWARD

2-3

2-5

TIME SAVERS

2-6

Each circuit is shown

2006

Solid lines indicate wires that carry current.

Components with internal circuitry are enclosed with a dashed line.

Spark Circuit

(ignition switch in “start”)

R

Brake Switch

(Brake Applied)

PTO Switch

(PTO Off)

Or/w

R

Starter Solenoid

(Energized)

R

Starter Motor

Additional information is called out beneath the title in parenthesis.

Or Or/bk Or/w

Circuits are drawn such that current usually flows from left to right (the same way you read).

Battery

R R

Fuse

(20 Amp)

Rw

S

B

A1

Ignition Switch

(In Start)

R

Each component is named and additional

Each circuit diagram page has a color code legend.

below in parentheses.

BN

BU

GY

W

PUR

R

BROWN

BLUE

GRAY

WHITE

PURPLE

RED

PK

BK

Y

T

GN

OR


PINK

BLACK

YELLOW

TAN

GREEN

ORANGE

OR/BK

OR/W

Y/W

Y/BK

R/W

R/BK

Wire colors are called out at each component

(where you're most likely to use them!)

Each component (i.e. switches, relays, solenoids) are drawn in the position necessary to make the circuit function.

GN

G

M

Ignition Switch

(In Start)

Y

R

Fuel Solenoid

(Energized)

Bu Gn

ORNGE BLACK

ORNGE WHITE

YELLOW WHITE

YELLOW BLACK

RED WHITE

RED BLACK

Headlight Harness

(Headlights on)

Starter Motor Circuit


Dashed lines represent wires that are important to the circuit, but do not carry current.

Dashed lines do not carry current

SPARK PLUG SPARK PLUG

GN

Seat Switch

(Operator On)

Y/W

Brake Switch

(Brake Applied)

Y

IGNITION

MODULES

Circuit diagrams make troubleshooting easy and fun because each circuit is drawn individually.

open circuits a snap.


TIME SAVERS

Checking Resistance


TIME SAVERS

3

What about checking current?

2-8


TIME SAVERS

Sample Problem: GT2100 electric clutch will not engage

TIP: DON'T

DISCONNECT

ANY WIRES!

When checking for voltage you need only touch the terminals.

(disconnect components when checking resistance.)

Battery

R

GN

Seat Switch

(Operator On)

Y/W

Brake Switch

(Brake Off)

Y


SPARK PLUG

IGNITION

MODULES

SPARK PLUG

Fuse

(20 Amp)

Rw

GN

Y

Rw

G

B

M

A1

Ignition Switch

(In Normal)

R

4. Move Pos. lead to red wire at PTO plug.

Bat. voltage - check PTO switch.

No voltage - check ignition switch.

Y/BK

PTO Switch

(PTO On)

BU/W

W/BK

PTO

Clutch

(Engaged)

R

R

Fuel Solenoid

(Energized)

Bu

R

Gn

Bu

1. Test for voltage Across the PTO clutch coil by connecting the Pos.

lead to the blue/white wire and the

Neg. lead to the white wire.

Ground GN

A1 Power resistance.

No voltage step-2.

Y/BK E-PTO

Rev Sw

R/BK

W

W/BK

R

Relay

(Not Energized)

3

4

5

1

2

GN

Y/BK

RMC Module

Reverse Switch

(In Forward)

2. Move Neg. lead to good chassis ground.

Bat. voltage - step-3.


TIP: BE LAZY! If you have trouble getting to a component, skip it, and go to the next point (You can always go back if your next reading is 0 volts.)

3. Move Neg. lead to yellow/black wire at relay plug.

Bat. voltage - check reverse & seat switch.


TIP: Use test points to divide circuit in half.

Sample Problem: LX420 will not crank

R

1.Test point “a” for voltage.

Voltage is 12V. Problem is right half of circuit.

Proceed to point “b”.

2. Test point “b” voltage reads 0V.

Problem is between “a” and “b”.

Proceed to point “c”.

3. Test point “c” Voltage is 12V.

Problem is between “c” and “b”.

Proceed to Point “d”.

Or/w

R R

Or

Brake Switch

(Brake Applied)

Or/bk

PTO Switch

(PTO Off)

Or/w


(Energized)

Starter Motor

(Energized)

Quick check: does solenoid “click” when key is turned to start?

If yes, you can eliminate circuit from fuse to solenoid coil.

4. Test point “d”. Voltage is 0V.

You disconnect the PTO switch and find it to be defective.

Battery

R R

Fuse

(20 Amp)

Rw

S

B

A1

Ignition Switch

(In Start)

R

R

Fuel Solenoid

(Energized)

R

Bu


(Headlights on)

Gn


TIME SAVERS

Sample Problem: This GT tractor won’t turn over. The customer parked it in the garage and turned it off. When he tried to start it a week later, he heard one click. After that, nothing would happen when he turned the key.

We know it’s a short because we found the 20 amp fuse blown.

2-10

BU/W

W

PTO

CLUTCH

Step 1. Interview the customer.

Any information we get will help isolate the problem.

IGNITION SWITCH

OFF

RUN 1

RUN 2

START

G M A1

B A1 AND L A2

B A1

B S A1

L G M S B A1 A2


GN GN Y OR R/W R PUR

GN

GN

BU

R

GN

Highlight the suspect area on a copy of the wiring diagram.

GN

R/W

R

Y

BRAKE SWITCH



Y/W

OR OR/BK

Y

BU/W

R/W

R

W

W/BK

R

3

4

5

Relay

1

GN

2

Y/BK

Y/BK

W/BK

BRAKE +

BRAKE

PTO

PTO +

N/C

+ 12V

GND

OR

OR/BK

OR/W

OR/BK

R

GN


GN

R

OR/BK

OR/W

PUR

GN

Eliminate the green wires as possibilities because they’re

supposed to go to ground.


TIME SAVERS

Y/BK

W/BK

R

OR/BK

OR/W

PUR

GN

Y

BU/W

R/W

Y/W

OR/BK

R/W

R

Step 2. Isolate the suspect area.

Notice what we did to the wiring diagram below.

BN

BU

GY

W

PUR

R

BROWN

BLUE

GRAY

WHITE

PURPLE

RED


PK

BK

Y

T

GN

OR

PINK OR/BK ORANGE BLACK

BLACK

TAN

OR/W ORANGE WHITE

If the short was between the battery

Y/BK YELLOW BLACK

GREEN R/W

R/BK

RED WHITE melted these wires.

FUSE

20A

R

PTO SWITCH


WITH PTO OFF

BU/W

W/BK

OR/BK

R

Y/BK

OR/W

R

OR/W

SOLENOID

R

B+

+

-

STARTER

R

START

Y

R/W

MAG

REG

SPARK PLUG

IGNITION

MODULES

SPARK PLUG

AC

AC

AFTERFIRE

SOLENOID

R

Y/W

Y

SEAT SWITCH



GN

R

Y

Y/BK

PUR

A1 POWER

SEAT SW

E-PTO

A2 POWER

GROUND

REV SW

RMC MODULE

REVERSE SWITCH



R/BK


TIME SAVERS

Step 3. Break the suspect area down into “mini-circuits”. Do this by unplugging unswitched circuits and by opening all Switches.

Open the ignition switch by turning it “off”.


IGNITION SWITCH

OFF

RUN 1

G M A1

B A1 AND L A2

RUN 2 B A1

START B S A1

L G M S B A1 A2

Separate the connector for the lights since this is an unswitched circuit.

BU/W

W

PTO

CLUTCH

GN

GN

BRAKE +

BRAKE

PTO

PTO +

N/C

+ 12V

GND

OR

OR/BK

OR/W

OR/BK

R

GN


BU

R

W

W/BK

R

3

4

5

Relay

1

GN

2

Y/BK


GN

R/W

R

Y

OR

BRAKE SWITCH



Y/W

OR/BK

GN

Open the suspect part of the brake switch by releasing the brake.

Y

BU/W

R/W

R

Y/BK

W/BK

R

OR/BK

OR/W

PUR

GN

GN

2-12


TIME SAVERS

Y/BK

W/BK

R

OR/BK

OR/W

PUR

GN

Y

BU/W

R/W

Y/W

OR/BK

R/W

R

BN

BU

GY

W

PUR

R

BROWN

BLUE

GRAY

WHITE

PURPLE

RED

PK

BK

Y

T

GN

OR


PINK

BLACK

YELLOW

TAN

GREEN

ORANGE

OR/BK

OR/W

Y/W

Y/BK

R/W

R/BK

ORANGE BLACK

ORANGE WHITE

YELLOW WHITE

YELLOW BLACK

RED WHITE

RED BLACK

FUSE

20A

PTO SWITCH


WITH PTO OFF

BU/W

W/BK

OR/BK

R

Y/BK

OR/W

R

Remove the connector

B+ open both suspect circuits.

R

R

START

+

-

STARTER

OR/W

SOLENOID

Y

R/W

MAG

REG

SPARK PLUG

IGNITION

MODULES

SPARK PLUG

AC

AC

AFTERFIRE

SOLENOID

R

Y/W

Y

SEAT SWITCH



GN

R

Y

Y/BK

PUR

A1 POWER

SEAT SW

E-PTO

A2 POWER

GROUND

REV SW

RMC MODULE

REVERSE SWITCH



R/BK


TIME SAVERS

Step 4. Power up the mini-circuits one at a time, beginning with the one closest to the battery.

When the ignition switch is turned to “normal”, the 20 amp fuse doesn’t blow. This means the red wires are OK.

IGNITION SWITCH

OFF

RUN 1

G M A1

B A1 AND L A2

RUN 2 B A1

START B S A1

BU/W

W

PTO

CLUTCH

Next, turn the ignition switch to

“start”. This powers up the orange,

HEADLIGHT HARNESS orange/black, and orange/white wires. The fuse doesn’t blow so these wires are OK.

L G

GN GN

M

Y

S B A1 A2

OR R/W R PUR

GN

BU

GN R

R/W

R

GN

Y

BRAKE SWITCH



Y/W

OR OR/BK

GN

Y

W

W/BK

R

3

4

5

Relay

1

GN

2

Y/BK

Close the suspect part of the brake switch by applying the brake.

BU/W

R/W

R

Y/BK

W/BK

BRAKE +

BRAKE

PTO

PTO +

N/C

+ 12V

GND

OR

OR/BK

OR/W

OR/BK

R

GN

SYSTEMS INDICATOR MONITOR / HOUR METER GN

R

OR/BK

OR/W

PUR

GN

2-14


TIME SAVERS

Y/BK

W/BK

R

OR/BK

OR/W

PUR

GN

Y

BU/W

R/W

R/W

R

Y/W

OR/BK

BN

BU

GY

W

PUR

R

BROWN

BLUE

GRAY

WHITE

PURPLE

RED


PK

BK

Y

T

GN

OR

OR/BK ORANGE BLACK

BLACK OR/W ORANGE WHITE

This “powers up” the red/white

Y/BK YELLOW BLACK

GREEN R/W

R/BK

RED WHITE fuse doesn’t blow, so this wire is OK.

FUSE

20A

R R

B+

+

-

BU/W

W/BK

OR/BK

PTO SWITCH


WITH PTO OFF

R

R

START

STARTER

R

Y/BK

Y MAG

OR/W

R/W REG

OR/W

SOLENOID

Install the connector to the PTO switch, leave the switch in the

“off” position.

R

SPARK PLUG

AC

AC

IGNITION

MODULES

AFTERFIRE

SOLENOID

SPARK PLUG

Y/W

Y

SEAT SWITCH



GN

R

Y

Y/BK

PUR

A1 POWER

SEAT SW

E-PTO

A2 POWER

GROUND

REV SW

RMC MODULE

REVERSE SWITCH



R/BK


TIME SAVERS

IGNITION SWITCH

OFF

RUN 1

RUN 2

G M A1

B A1 AND L A2

B A1

START B S A1

Leave the ignition switch in the “normal” position.

L G M S B A1 A2



Reconnect the light circuit, the fuse doesn’t blow so this circuit is OK.

GN

GN

BU

R

GN

Separate the plug at the electric clutch and check the blue/white find there is continuity.

BU/W

W

PTO

CLUTCH

W

W/BK

R

R/W

R

Y

BRAKE SWITCH



Y/W

OR OR/BK

Y

BU/W

R/W

3

4

5

Relay

1

2

R

Tracing the blue/white wire we find

GN that it is pinched in the chassis.

Y/BK

Problem solved!

Y/BK

W/BK

BRAKE +

BRAKE

PTO

PTO +

N/C

+ 12V

GND

OR

OR/BK

OR/W

OR/BK

R

GN

SYSTEMS INDICATOR MONITOR / HOUR METER GN

R

OR/BK

OR/W

PUR

GN

2-16


TIME SAVERS

Y/BK

W/BK

R

OR/BK

OR/W

PUR

GN

R/W

R

Y

BU/W

R/W

Y/W

OR/BK

BN

BU

GY

W

PUR

R

BROWN

BLUE

GRAY

WHITE

PURPLE

RED

PK

BK

Y

T

GN

OR


PINK

BLACK

YELLOW

TAN

GREEN

ORANGE

OR/BK

OR/W

Y/W

Y/BK

R/W

R/BK

ORANGE BLACK

ORANGE WHITE

YELLOW WHITE

YELLOW BLACK

RED WHITE

RED BLACK

BU/W

W/BK

OR/BK

FUSE

20A

R R

B+

Close the PTO switch by pulling

+

PTO SWITCH


WITH PTO OFF it to the “on” position.

R

START

-

STARTER

R

Y/BK

OR/W

SPARK PLUG

OR/W isolated the problem to the PTO

Y MAG

IGNITION

MODULES

REG

SOLENOID AC

AFTERFIRE

SOLENOID

Disconnect the PTO switch from the circuit and check its terminals for continuity to ground. It checks out OK.

R

Y/W

Y

SEAT SWITCH



GN

R

Y

Y/BK

PUR

A1 POWER

SEAT SW

E-PTO

A2 POWER

GROUND

REV SW

RMC MODULE

REVERSE SWITCH



R/BK



2-18


GLOSSARY

Table Of Contents

DESCRIPTION

Clutch, Electric PTO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3

Fuse . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4

RMC Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5

Relay (Electric PTO) . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-10

Solenoid, Starter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-11

Switch, Brake . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-12

Switch, Parking Brake (Manual PTO) . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-13

Switch, Key . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-14

Switch, Reverse . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-14

Switch, Seat (Electric PTO Clutch) . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-15

Switch, Seat (Manual PTO Clutch) . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-16

Switch, PTO (Electric PTO) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-16

Switch, PTO (Manual PTO) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-17

Systems Indicator Monitor / Hourmeter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-18

Demystifi ction Glossary 3-1


3-2

Demystifi ction Glossary

GLOSSARY

Clutch, Electric PTO

4. Connect the meter lead wires to the wires in the clutch connector (Figure 1).

Purpose

This clutch electrically controls the engagement and disengagement of the Power Take Off (PTO) pulley.

How It Works

The PTO clutch is composed of three major components; the fi eld, the clutch plate, and the friction plate. The clutch plate always turns with the engine.

The fi eld is a coil of wire on an iron core, which becomes an electromagnet when power is applied.

The friction plate can slide up and down on the crankshaft axis. It is normally spring loaded so that it is not in contact with the clutch plate and is pressed against the brake material opposite the clutch. When power is applied, the friction plate is drawn toward the clutch plate and the two rotate as one.

Testing

If the electric PTO clutch is not engaging or is suspected as a cause of electrical problems, use the troubleshooting steps. These procedures will help you determine if the clutch has failed or is the cause of the electrical problem.

Coil Resistance Measurement

1. Disengage the PTO, set the parking brake, turn the ignition key to OFF and remove the key.

2. Disconnect clutch wire connector.

3. Set the multimeter or volt/ohm meter to check resistance (ohms).

Figure 1

3-6

5. The meter should read 2.84 ohms plus or minus

5%. If the reading is above or below these readings, the fi eld has failed and needs to be replaced. If the reading is within these limits, measure the clutch current draw.

Measuring Clutch Current Draw

1. Disengage the PTO, set the parking brake, and turn the ignition to OFF.

2. Disconnect the clutch wire connector.

3. Set the multimeter to check amps (10 amp scale).

4. Connect the positive meter lead to the tractor terminal (1) of the clutch wire, (Figure 2).

5. Connect the negative meter lead to the corresponding wire terminal (3), (Figure 2).

6. Connect a short jumper lead from terminal (2) to (4),

(Figure 2).

7. Turn the ignition switch to the “RUN” position and the PTO switch to the “ON” position.

8. If the meter reading is 3.5 amps or above, the system is functioning properly. If the meter reading is below 3.5 amps, check the electrical system for problems (i.e., the battery, ignition switch, PTO switch, or wiring harness may be malfunctioning).


GLOSSARY

Fuse

Location

The 20 amp fuse is located at the right side of the fuel tank. It is wired in series between the battery positive terminal and the “B” terminal of the ignition switch

(Figure 3).

Figure 2

Clutch Burnishing Procedure

3-7

The clutch should be burnished as part of the pre delivery service, or whenever a new clutch is installed.

Burnishing polishes the clutch plate, allowing for smooth clutch engagement.

With a PTO driven attachment installed (i.e., mower, snowthrower, or tiller), run the engine at half throttle.

Engage and disengage the clutch 5 times (10 seconds on/10 off).

Figure 3

fuseIII

Purpose

Fuses are electrical safety valves that protect wiring and electrical components from damage from high current fl ow by creating an open circuit.

Fuses are rated for a specifi c current fl ow (amps).

Never connect a jumper wire across a fuse. Never connect additional fuses in parallel.

Always use the proper fuse. Always fi nd and correct the reason for a blown fuse.

3-4


GLOSSARY

Testing

A blade type fuse may be checked visually. If the loop

(A) is open, the fuse is blown. If in doubt, the fuse may also be tested with an ohmmeter (Figure 4).

Figure 4

fuse20a

RMC Module

This interlock feature is provided to prevent unintentional engine-powered attachment operation in reverse. If the tractor is shifted into reverse while the mower blade or other Power Take Off (PTO) driven attachment is engaged, the electric clutch will disengage or the engine will stop, depending on the model. DO NOT MOW WHILE BACKING

UP UNLESS ABSOLUTELY NECESSARY. If you need to mow while in reverse or use other PTO drive attachments (such as a snowthrower), this interlock feature may be temporarily deactivated.

Before deactivating this feature, be sure there are no children present on or near property where you are using the tractor and that are likely to appear while you are mowing or operating an attachment. Be extra observant after you have chosen to deactivate the interlock feature because the sound of the tractor’s engine might prevent you from being aware that a child or bystander has entered the area where you are operating the tractor.

Once you are sure you can safely mow in reverse or operate an attachment, deactivate the reverse operating system by turning the key switch, to the reverse caution position, which arms the module, then depressing the reverse push button. A red light to the left of the push button comes on indicating that the PTO will remain engaged with the transmission in reverse. Once activated it stays in this mode

WITH YOUR MOWER BLADE OR ATTACHMENT

OPERATING WHENEVER YOU BACK-UP, and the dash light stays on until the key switch is placed in the normal mowing or stop position, or the operator leaves the seat.


GLOSSARY

Location

The RMC module is located on the back of the instrument panel in the same housing as the keyswitch

(Figure 5).

On units equiped with electric PTO clutch

The reverse switch is connected in series between module and ground. When the Module is not activated

(indicator light off) the switch is internally connected to the E-PTO terminal. If the shift lever is placed in reverse, the relay coil is connected to ground through the RMC module and reverse switch, energizing the relay. This opens the normally closed contacts removing the ground from the electric clutch, causing it to disengage. The normally open contacts are now closed, providing a second ground path to the coil through the PTO switch, keeping the relay energized.

This prevents re-engagement of the electric clutch until

PTO is cycled off.

Pressing the reverse push button (Figure 6) with the key switch in the reverse caution position activates the reverse caution mode (indicator light on), disconnecting the reverse switch terminal from the

E-PTO terminal, allowing the electric clutch to remain engaged.

Figure 5

mod_keysw

Systems:

There are two different “shutdown” systems used in the Reverse Operating System. One system is used with the electric (PTO) clutch - when the tractor is shifted to reverse while the mower blade or other PTO driven attachment is engaged the electric clutch will disengage. The other system is used with the manual

(PTO) clutch - when the tractor is shifted to reverse while the mower blade or other PTO driven attachment is engaged, the engine will stop.

How It Works

On units equiped with manual PTO clutch

The reverse switch is wired in series between the module and ground. When the Module is not activated

(indicator light off) the reverse and magneto terminals of the module are connected together. If the shift lever is placed in reverse, the magneto is connected to ground through the PTO switch, RMC module, and reverse switch, shutting down the engine. Pressing the reverse push button (Figure 6) with the key switch in the reverse caution position activates the reverse caution mode (indicator light on). This disconnects the reverse switch terminal from the magneto, allowing the engine to continue run in reverse.

3-6

Testing

Figure 6

keysw

Testing the RMC system – Manual PTO - keyswitch in “Normal”

1. Start the engine; place the keyswitch in the normal position.

2. With the seat occupied, place the PTO lever in the

“on” position.

3. With the brake applied, move the shift lever to the reverse position.

4. The engine should shut down.


GLOSSARY

Testing the RMC system – Manual PTO - keyswitch in “Reverse Caution” Unactivated (Indicator light off)

1. Start the engine; place the keyswitch in the reverse caution position.


“on” position.


4. The engine should shut down.

Testing the RMC system – Electric PTO - keyswitch in “Reverse Caution” Unactivated (Indicator light off)


2. With the seat occupied, pull the PTO switch to the

“on” position.


4. The electric clutch should disengage.

5. Place the shift lever in forward.

6. The electric clutch should remain disengaged.

7. Cycle the PTO switch off and on.

8. The electric clutch should re-engage.

Testing the RMC system – Manual PTO - keyswitch in “Reverse Caution” Activated (Indicator light on)


2. Press the reverse push button.


“on” position.


5. The engine should continue to run.

Testing the RMC system – Electric PTO - keyswitch in “Normal”

1. Start the engine; place the keyswitch in the normal position.


“on” position.


4. The electric clutch should disengage.

5. Place the shift lever in forward.

6. The electric clutch should remain disengaged.

7. Cycle the PTO switch off and on.

8. The electric clutch should re-engage.


Testing the RMC system – Electric PTO - keyswitch in “Reverse Caution” Activated (Indicator light on)


2. Press the reverse push button.


“on” position.


5. The electric clutch should remain engaged.

3-7

GLOSSARY

Testing the RMC module

It is not practical to test the RMC module directly. If the

RMC system is not functioning as described above, it will be necessary to test the inputs to, and outputs from, the module. If the inputs are correct but the outputs are not, replace the module.

Note: Be sure the battery is fully charged before testing.

Electric PTO Clutch

Symptom:

The electric clutch does not disengage when shifting into reverse with the reverse caution mode not activated.

OR

The electric clutch does not disengage when the operator leaves the seat with the PTO on.

Connect an ohmmeter between the E-PTO terminal at the module (yellow/black wire) and ground. With the key in the “ON” or “Reverse Caution” position, PTO switch on, and the seat occupied the meter should show continuity when the shift lever is placed in reverse, or the operator gets out of the seat.

a) Continuity: the module is OK, check the relay or associated wiring.

b) No continuity: Remove the connector from the module (Figure 7). Using a multimeter check the electrical circuits for the conditions listed in the table below.

If the circuit conditions are met, replace the module.

A D

E

B

C

Figure 7

F

RMCPlugElec1

Circuit Testing - Electric PTO

Terminal Wire Color

A - (E-PTO) Yellow/Black

B - (A1 Power)

C - (Seat Sw)

Red

Yellow

D - (Reverse Sw)

E - (Ground)

F - (A2 Power)

Red/Black

Green

Purple

3-8

Connected to

Relay coil

PTO switch

A1 term of keyswitch

Seat switch

Reverse switch

Chassis

A2 Term. of keyswitch

Condition

RMC module output, provides ground to relay

B+ w/ key in “normal” or “Rev. Caution”

Ground operator on

Open operator off

Ground in reverse

Open in forward

Connected to ground

Ground in Rev. Caution

Open otherwise


GLOSSARY

Manual PTO Clutch

Symptom:

The engine does not shut down when shifting into reverse when the reverse caution mode is not activated.

OR

The engine does not shut down when the operator leaves the seat with the PTO on.

Connect an ohmmeter between the magneto terminal

(yellow/black wire) at the module and ground. With the key in the “ON” or “Reverse Caution” position, PTO engaged, and the seat occupied the meter should show continuity when the shift lever is placed in reverse, or the operator gets out of the seat.

a) Continuity: the module is OK, check the associated wiring.

b) No continuity: Remove the connector from the module (Figure 8). Using a multimeter check the electrical circuits for the conditions listed in the table below.

If the circuit conditions are met, replace the module.

A

B

C

Figure 8

Circuit Testing - Manual PTO

Terminal Wire Color

A - (Magneto)

B - (A1 Power)

Yellow/Black

Red

C - (Park Sw) Yellow/White

D - (Reverse Sw)

E - (Ground)

F - (PB Bypass)

G - (A2 Power)

Red/Black

Green

Green

White


Connected to

Seat Switch

PTO switch

A1 term of keyswitch

Park switch

Reverse switch

Chassis

Chassis

A2 Term. of keyswitch

Condition

RMC module output, provides ground to magneto through PTO switch

B+ w/ key in “normal” or “Rev. Caution”

Ground Park brake latched

Open Brake off

Ground in reverse

Open in forward

Connected to ground

Connected to ground

Ground in Rev. Caution

Open otherwise

3-9

D

E

F

G

RMCPlugMan1

GLOSSARY

Relay (Electric PTO)

Location

The relay is part of the wiring harness and is located behind the fuel tank near the PTO connector

(Figure 9).

with a multimeter (ohms setting). Resistance should be approximately 105 ohms. There should be continuity between terminals A and E (Figure 10).

3. Connect multimeter (ohms setting) leads to relay terminals E and C. Ground terminal B and apply

+12 VDC to terminal D. The relay should make and break continuity between terminals E and C as 12 VDC is applied and removed from terminal D

(Figure 10).

4. Connect multimeter (ohms setting) leads to relay terminals E and A. Apply +12 VDC to terminal D.

With terminal B still grounded, the relay should break and make continuity between terminals E and

A as 12 VDC is applied and removed from terminal

D (Figure 10).

5. Disconnect voltage source and multimeter leads from relay terminals.

A

Figure 9

relay1

Purpose

The relay disconnects the electric PTO clutch from ground when the PTO is engaged and the shift lever is in reverse, stopping the blades, unless the reverse caution mode has been activated.

How It Works

The relay is an electrically activated single pole double throw switch.

B

C

Figure 10

D

E

relay terminals1

A common terminal (E) connects the ground wire of the PTO clutch to ground through the normally closed contact (A). Voltage is supplied to the positive side of the coil (D) from the A1 terminal of the keyswitch

(Figure 10).

Placing the shift lever in reverse energizes the relay by providing a ground connection to the coil from the reverse switch, through the module, and PTO switch. This opens the normally closed contacts, disconnecting the PTO clutch from ground.

Testing

1. Disconnect the relay from the harness.

2. Verify the coil resistance between terminals B and D

3-10

A Norm. closed contact B Coil Negative

C Norm. open contact D Coil Positive

E Common contact


GLOSSARY

Solenoid, Starter

Location

The starter solenoid is located under the rear fender behind the battery. Remove the battery and battery tray to access the solenoid (Figure 11).

The ignition switch is protected because only a small amount of current is needed to activate the coil.

C D

A B

Solenoid

(not energized)

Figure 12

start sol

Figure 11

solloc

Purpose

The solenoid’s purpose is simply to connect the battery to the starter motor when the ignition switch is turned to “START”. The solenoid is used to protect the ignition switch from the high current drawn by the starter motor.

How It Works

The solenoid has two primary parts (Figure 12):

1. A coil of wire wrapped around an iron core.

2. A bar type switch.

When 12 volts is applied to the coil, it becomes an electromagnet. This quickly pulls the bar toward the contacts and closes the switch. Because the contact terminals have a large contact area it can easily handle the high current loads required by the starter motor. When power is removed from the coil, the spring loaded bar returns to its “normally open” position. The solenoid closes and opens the switch very quickly. This minimizes the “arcing” that can damage other types of switches.

Testing

1. Disconnect the solenoid from the wiring harness.

2. With a multimeter (ohms setting), check to ensure that terminals “C” and “D” are open (no continuity)

(Figure 13).

3. Apply +12 VDC to terminal “a” and ground mounting tab “B”. Terminals “C” and “D” should now be closed

(continuity) (Figure 13).

4. You should be able to hear the solenoid switch

“click” when you make the connection.

C

D

A

B

Figure 13

start sol

(A) & (B) Coil Terminals (C) & (D) Contact Terminals


GLOSSARY

Switch, Brake

Location

The brake switch is attached to the tractor frame, under the fuel tank, near the base of the brake lever

(Figure 14).

Testing

1. Disconnect the switch from the wiring harness.

2. Using a multimeter, follow the procedures listed below (Figure 15).

Note: Terminals on actual switch not labeled.

Figure 14

tbrakesw

Purpose

As part of the safety interlock system the brake switch has two sets of terminals; one pair prevents the engine from cranking if the brake is not applied. The other pair causes the engine to shut down if the operator gets off the seat with the brake released.

Figure 15

manptoterm

Plunger Not Depressed Plunger Depressed

A&B Terminals – Closed

Circuit – Continuity

A&B Terminals – Open

Circuit – No Continuity

C&D Terminals – Open


C&D Terminals – Closed


How It Works

The plunger is depressed when the brake is applied, closing contacts “C” and “D”. This allows voltage from the key switch to pass through the brake switch to the

PTO switch, then on to the start solenoid to crank the engine.

Applying the brake also causes a second set of contacts (“A” and “B”) to open. This prevents the magneto from connecting to ground and shutting the engine down if the operator gets off the seat.

3-12


GLOSSARY

Switch, Parking Brake (Manual PTO)

Testing


Location

The parking brake switch is located under the fuel tank near the locking lever (Figure 16).

2. Use a ohmmeter to test continuity between the terminals (fi gure 17).

Plunger out – no continuity

Plunger in - continuity

Figure 16

prkbrksw

Purpose

The parking brake switch is part of the safety interlock system. The engine will shut down if the operator leaves the seat without engaging the parking brake.

How It Works

When the parking brake is latched, the plunger is depressed, closing the contacts (fi gure 17).

Figure 17


parkbrkswcu

3-13

GLOSSARY

Switch, Key

Purpose

This component provides the proper switching for the starter, ignition, accessories, and safety circuits

(Figure 18).

L

G

S

M

Figure 19

Position

Off

Condition

G+M+A1

Reverse Caution (Run 1) B+A 1 & L+A 2

Normal Mowing (Run 2) B+A 1

Start B+S+A 1

B

A1

A2

swign

Figure 18

keysw

How It Works

Detents inside the switch give it 4 positions: STOP,

REVERSE CAUTION, NORMAL MOWING, and

START. The START position is spring loaded so the cylinder automatically returns to NORMAL MOWING once the key is released.

Testing


2. Verify that continuity exists between the terminals listed for each switch position. Verify that there is

NO continuity between terminals not listed for the switch position (Figure 19).

Switch, Reverse

Location

Units equipped with constant velocity transmissions (CVT)

The reverse switch is attached to the underside of the tractor next to the reverse lever (Figure 20).

3-14

Figure 20

trevsw


GLOSSARY

Units equipped with hydrostatic transmissions

The reverse switch is located on the right side of the transmission near the brake (Figure 21).

Switch, Seat (Electric PTO Clutch)

Purpose

Shuts the engine down if the operator gets off the seat with the brake not applied.

Disengages the PTO Clutch if the operator gets out of the seat with the PTO engaged.

Figure 21

swhydrorev

Purpose (All units)

Provides ground signal to RMC module when the shift lever is in reverse.

How It Works

The reverse switch is a metal tang, which is connected to ground when the reverse lever contacts it.

Testing (All units)


2. Using a multimeter, check for continuity between the switch terminal and ground. With the shift lever in forward, there should not be continuity.

3. Place the shift lever into reverse. There should be continuity.


Figure 22

tseatswl

How It Works

The seat switch consists of a pair of normally closed contacts (Figure 22), which open when the operator is on the seat. One contact is connected in series to the magneto through the brake switch. If the operator vacates the seat while the engine is running, and the brake released, the contacts close, and the magneto is grounded, stopping the engine.

The other contact is connected to the relay through the

RMC module. If the operator gets off the seat with the brake applied and the PTO engaged, the relay coil is connected to ground, energizing the relay. This opens the relays, normally closed contacts, disconnecting the electric clutch from ground, causing it to disengage.

Testing


2. With a multimeter, check for continuity between the switch terminals and ground. There should be continuity.

3. Recheck for continuity with someone in the seat.

There should not be continuity,

3-15

GLOSSARY

Switch, Seat (Manual PTO Clutch) Switch, PTO (Electric PTO)

Purpose

To shut the engine down if the operator gets off the seat while the engine is running with the PTO engaged or the brake released.

Purpose

The PTO switch is used to engage the electric clutch

(Figure 24).

How It Works

Figure 23

tseatsw

The seat switch consists of a pair of normally closed contacts which open when the operator is on the seat

(Figure 23). One contact is connected in series to the magneto through the brake switch. If the operator vacates the seat while the engine is running, and the brake released, the contacts close and the magneto is grounded, stopping the engine.

The other contact is connected in series to the magneto through the PTO switch. If the operator gets off the seat with the PTO engaged and the brake applied, the contacts close, connecting the magneto to ground, stopping the engine.

Testing


2. With a multimeter, check for continuity between the switch terminals and ground. There should be continuity.

3. Recheck for continuity with someone in the seat.

There should not be continuity.

3-16

Figure 24

tseatsw

It is also part of the safety circuit:

1. Prevents the engine from cranking with the key switch in the start position when the PTO switch is on.

2. It is part of the circuit that prevents the electric PTO clutch from re-engaging after moving the shift lever in and out of reverse without activating the reverse caution mode.

3. It is part of the circuit that prevents the electric PTO clutch from re-engaging if the operator gets off and back on the seat.

How It Works

The PTO switch uses three sets of contacts:

(Figure 25)

1. A – Com (normally closed)

Wired in series between the brake switch and start solenoid. Preventing power from reaching the starter solenoid when the PTO switch is on.

2. B – Com (normally open)

Connected in series between the relay coil and the normally open relay contact. Once the relay is energized these contacts provide a ground path to the relay coil preventing it from de-energizing until the PTO is switched off.

3. C – Com (normally open)

Connected in series between the A1 terminal of


2006 LX420, LX460 the ignition switch and the electric clutch. Pulling the switch to the on position closes these contacts providing voltage to the electric clutch.

A

Com

Purpose

Part of the safety interlock system:

1. Prevents the engine from cranking if the PTO lever is in the engaged position.

2. Shuts the engine down if the operator gets off the seat with the PTO lever in the engaged position, or the shift lever is placed in the reverse position without activating the reverse caution mode.

B

Com

C

Com

Not

Used

Figure 25

Testing

1. Remove the PTO switch from the tractor. swelecpto

2. Connect an ohmmeter across each pair of terminals and check for continuity with the switch in the “OFF” and “ON” positions.

3. Replace the switch if the results do not correspond to the description given above.

Switch, PTO (Manual PTO)

How It Works

This double pole plunger type switch has four terminals, one pair normally open, and the other pair normally closed. When the PTO lever is in the off position the plunger is depressed.

Testing


2. Using a an ohmmeter, follow the procedures listed below (Figure 27):

Note: Terminals on actual switch not labeled.

Location

The manual PTO Switch is located under the hood near the base of the actuation rod (Figure 26).

Figure 26

Demystifi cation Guide

tptosw

Plunger Not Depressed

A&B Terminals – Closed


C&D Terminals – Open


Figure 27

manptoterm

Plunger Depressed

A&B Terminals – Open


C&D Terminals – Closed


3-17

LX420, LX460 2006

Systems Indicator Monitor /

Hourmeter

Purpose

Lights on the monitor panel are used to indicate the position of the brake and PTO controls, as well as the condition of the battery charging system. The LCD at the center of the panel displays accumulated engine hours and fl ashes when maintenance is due

(Figure 28).

A

G

B

C

D

F

E

Wire Colors

A Green

C Red

E Orange

G Orange/Black

Figure 29

hourmeterplug

B Black

D Orange/Black

F Orange/White

Figure 28

start sol

How It Works

The Systems Indicator Monitor/Hourmeter is a solid state device. Battery voltage from the A1 terminal of the keyswitch powers the unit and runs the hourmeter.

An internal circuit monitors battery voltage and causes the battery LED to light when battery voltage falls below a specifi ed level. Additional sensing circuits monitor the status of the brake and PTO switches.

When the brake is applied or the PTO is engaged, contacts in the switches close, completing the sensing circuit and lighting the appropriate LED.

Testing

Testing the Systems Indicator Monitor/Hourmeter directly is not practical. If it is not functioning correctly, test the inputs to the unit at the wiring harness connector and replace the monitor if the inputs are correct.

Note: The following tests are performed with the engine off.

3-18

1. Disconnect the wiring harness connector from the back of the monitor.

2. At the wiring harness plug, connect a voltmeter positive lead to terminal “C” and the negative lead to terminal “A” (Figure 29). With the key in the “normal” or “Reverse Caution” position the meter should read battery voltage.

3. Connect an ohmmeter between terminals “F” and

“G” (Figure 29), the meter should show continuity with the PTO off.

4. Connect an ohmmeter between terminals “D” and

“E” (Figure 29), the meter should show continuity with the brake applied.


2006 LX420, LX460

LX420 Information List (2006)

LX460 Information List (2006)

Wiring Diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2

Circuit Diagrams

Starter Motor Circuit . . . . . . . . . . . . . . . . . . . . . . 4-4

Spark Circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-5

Reverse Operating System . . . . . . . . . . . . . . . . 4-9

Demystifi cation Guide 4-1

LX420, LX460

Wiring Diagram

2006


GN

GN

BU

R

L G M S B A1 A2

GN GN Y OR R/W R

W

IGNITION SWITCH

OFF

RUN 1

RUN 2

START

G M A1

B A1 AND L A2

B A1

B S A1

OR

BRAKE SWITCH



Y

Y/BK

OR/BK

Y

R/W

R/W

Y

OR/BK

Y

R/W

BRAKE +

BRAKE

PTO

PTO +

N/C

+ 12V

GND

OR

OR/BK

OR/W

OR/BK

R

GN


4-2

R

Y/BK

OR/W

GND

GN

PARK SWITCH

PARK SWITCH IS SHOWN

PARK BRAKE ON

W

R

Y/W


2006 LX420, LX460

Wiring Diagram

BN

BU

GY

W

PUR

R

BROWN

BLUE

GRAY

WHITE

PURPLE

RED

PK

BK

Y

T

GN

OR


PINK

BLACK

YELLOW

TAN

GREEN

ORANGE

OR/BK

OR/W

Y/W

Y/BK

R/W

R/BK

ORANGE BLACK

ORANGE WHITE

YELLOW WHITE

YELLOW BLACK

RED WHITE

RED BLACK

R/W

FUSE

20A

Y

OR/BK

PTO SWITCH


WITH PTO OFF

Y/BK

R

Y

R/W

OR/W

R

R

B+

R

START

+

-

STARTER

SOLENOID

Y

R/W

MAG

REG

AC

AC

IGNITION

MODULE

SPARK PLUG

AFTERFIRE

SOLENOID

R

Y/BK

OR/W

R

R

W

Y/W


Y/BK

Y/BK

SEAT SWITCH



R

W

Y/BK

Y/W

A1 POWER PB BYPASS

GN

A2 POWER

MAGNETO

PARK SW

RMC MODULE

GROUND

GN

REV SW R/BK

REVERSE SWITCH



4-3

LX420, LX460



R

2006

OR

Brake Switch

(Brake Applied)

OR/BK

PTO Switch

(PTO Off)

OR/W

R

OR/W


(Energized)

R

Starter Motor

(Energized)

Battery

R R

Fuse

(20 Amp)

R/W

S

B

A1

Ignition Switch

(In Start)

R

R

R

Fuel Solenoid

(Energized)

BU


(Headlights on)

GN

BN

BU

GY

W

PUR

R

BROWN

BLUE

GRAY

WHITE

PURPLE

RED

PK

BK

Y

T

GN

OR


PINK

BLACK

YELLOW

TAN

GREEN

ORANGE

OR/BK

OR/W

Y/W

Y/BK

R/W

R/BK

ORANGE BLACK

ORANGE WHITE

YELLOW WHITE

YELLOW BLACK

RED WHITE

RED BLACK

4-4


2006 LX420, LX460

Spark Circuit


GN

G

M

Ignition Switch

(In Start)

Y

GN

Seat Switch

(Operator On)

Y/W

Brake Switch

(Brake Applied)

Y

Y/B

PTO Switch

(PTO Off)

Y


IGNITION

MODULE

SPARK PLUG

BN

BU

GY

W

PUR

R

BROWN

BLUE

GRAY

WHITE

PURPLE

RED

PK

BK

Y

T

GN

OR


PINK

BLACK

YELLOW

TAN

GREEN

ORANGE

OR/BK

OR/W

Y/W

Y/BK

R/W

R/BK

ORANGE BLACK

ORANGE WHITE

YELLOW WHITE

YELLOW BLACK

RED WHITE

RED BLACK


LX420, LX460

Spark Circuit

(ignition switch in “Normal”, PTO “on”)

2006

GN

Y/BK

Brake Switch

(Brake Off)

Y

Seat Switch

(Operator On)

Y/BK

PTO Switch

(PTO On)

Y

Y/BK

GN

Y

G

M

R/W

B A1

Ignition Switch

(In Normal)

R

Battery

R

Fuse

(20 Amp)

R/W


SPARK PLUG

Y

IGNITION

MODULE

Y/BK

R

Magneto

A1 Power

PB Bypass GN

Ground

GN

Y/W

Park Switch

(Brake Off)

Park Sw

Rev Sw

R/BK

RMC Module

Reverse Switch

(In Forward)

R

Fuel Solenoid

(Energized)

R

R

BU

BU


(Headlights on)

GN

BN

BU

GY

W

PUR

R

BROWN

BLUE

GRAY

WHITE

PURPLE

RED

PK

BK

Y

T

GN

OR


PINK

BLACK

YELLOW

TAN

GREEN

ORANGE

OR/BK

OR/W

Y/W

Y/BK

R/W

R/BK

ORANGE BLACK

ORANGE WHITE

YELLOW WHITE

YELLOW BLACK

RED WHITE

RED BLACK

4-6


2006 LX420, LX460

GN

Seat Switch

(Operator Off)

Y/BK

PTO Switch

(PTO Off)

Y

Y/BK

Brake Switch

(Brake On)

Y

Y/BK

GN

Y

G

M

R/W

B A1

Ignition Switch

(In Normal)

R

Battery

R

Fuse

(20 Amp)

R/W

Spark Circuit

(ignition switch in “Normal”, operator “off”, brake “on”, PTO “off”)

Y

IGNITION

MODULE

SPARK PLUG

Y/BK

R

Magneto

PB Bypass GN

Ground GN

A1 Power

Y/W

Park Switch

(Brake Off)

Park Sw

Rev Sw

R/BK

RMC Module

Reverse Switch

(In Forward)

R

Fuel Solenoid

(Energized)

R

R

BU

BU


(Headlights on)

GN

BN

BU

GY

W

PUR

R

BROWN

BLUE

GRAY

WHITE

PURPLE

RED

PK

BK

Y

T

GN

OR


PINK

BLACK

YELLOW

TAN

GREEN

ORANGE

OR/BK

OR/W

Y/W

Y/BK

R/W

R/BK

ORANGE BLACK

ORANGE WHITE

YELLOW WHITE

YELLOW BLACK

RED WHITE

RED BLACK


LX420, LX460

Spark Circuit

(ignition switch in “Normal”, operator “off”, brake “on”, PTO “on”)

GN

Y/BK

Brake Switch

(Brake On)

Y

Seat Switch

(Operator Off)

Y/BK

PTO Switch

(PTO On)

Y

Y/BK

GN

Y

G

M

R/W

B A1

Ignition Switch

(In Normal)

R

Battery

R

Fuse

(20 Amp)

R/W

Y

IGNITION

MODULE

SPARK PLUG

2006

Y/BK

R

Magneto

A1 Power

PB Bypass GN

Ground GN

Y/W

Park Switch

(Brake Off)

Park Sw

Rev Sw

R/BK

RMC Module

Reverse Switch

(In Forward)

R

Fuel Solenoid

(Energized)

R

R

BU

BU


(Headlights on)

GN

BN

BU

GY

W

PUR

R

BROWN

BLUE

GRAY

WHITE

PURPLE

RED

PK

BK

Y

T

GN

OR


PINK

BLACK

YELLOW

TAN

GREEN

ORANGE

OR/BK

OR/W

Y/W

Y/BK

R/W

R/BK

ORANGE BLACK

ORANGE WHITE

YELLOW WHITE

YELLOW BLACK

RED WHITE

RED BLACK

4-8


2006 LX420, LX460

GN

Y/BK

Brake Switch

(Brake Off)

Y

Seat Switch

(Operator On)

Y/BK

PTO Switch

(PTO On)

Y

Y/BK

GN

Y

G

M

R/W

B A1

Ignition Switch

(In Normal)

R

Battery

R

Fuse

(20 Amp)

R/W

Reverse Operating System

(ignition switch in “Normal”,

PTO “on”, transmission in “reverse”)

Y

IGNITION

MODULE

SPARK PLUG

Y/BK

R

PB Bypass GN

Magneto

Ground

GN

A1 Power

Y/W

Park Switch

(Brake Off)

Park Sw

Rev Sw

R/BK

RMC Module

R

Fuel Solenoid

(Energized)

Reverse Switch

(In Reverse)

R

R

BU

BU


(Headlights on)

GN

BN

BU

GY

W

PUR

R

BROWN

BLUE

GRAY

WHITE

PURPLE

RED

PK

BK

Y

T

GN

OR


PINK

BLACK

YELLOW

TAN

GREEN

ORANGE

OR/BK

OR/W

Y/W

Y/BK

R/W

R/BK

ORANGE BLACK

ORANGE WHITE

YELLOW WHITE

YELLOW BLACK

RED WHITE

RED BLACK


LX420, LX460

Reverse Oprerating System

(ignition switch in “Reverse Caution”,

PTO “on”)

GN

Seat Switch

(Operator On)

Y/BK

Brake Switch

(Brake Off)

Y

Y/BK

PTO Switch

(PTO On)

Y

Y/BK

Battery

R

Fuse

(20 Amp)

R/W

GN

R/W

G

M

L A2

B A1

Ignition Switch

(In Caution)

Y

PUR

R

BN

BU

GY

W

PUR

R

BROWN

BLUE

GRAY

WHITE

PURPLE

RED

PK

BK

Y

T

GN

OR


PINK

BLACK

YELLOW

TAN

GREEN

ORANGE

OR/BK

OR/W

Y/W

Y/BK

R/W

R/BK

ORANGE BLACK

ORANGE WHITE

YELLOW WHITE

YELLOW BLACK

RED WHITE

RED BLACK


SPARK PLUG

Y

IGNITION

MODULE

2006

PB Bypass

GN

Y/BK

Magneto

Ground

GN Park Switch

(Brake Off)

R

PUR

A2 Power

A1 Power

Park Sw

Rev Sw

R/BK

RMC Module

Y/W

Reverse Switch

(In Forward)

R

R

Fuel Solenoid

(Energized)

R

BU

BU


(Headlights on)

GN

4-10


2006 LX420, LX460


(ignition switch in “Reverse Caution”, transmission in “reverse”, PTO “on”)


SPARK PLUG

Y

IGNITION

MODULE

GN

Seat Switch

(Operator On)

Y/BK

Brake Switch

(Brake Off)

Y

Y/BK

PTO Switch

(PTO On)

Y

Y/BK

PB Bypass GN

Y/BK

Magneto

Ground GN

Park Switch

(Brake Off)

R

PUR

A2 Power

A1 Power

Park Sw

Rev Sw

R/BK

RMC Module

Y/W

Reverse Switch

(In Reverse)

Battery

R

Fuse

(20 Amp)

R/W

GN

R/W

G

M

L A2

B A1

Ignition Switch

(In Caution)

Y

PUR

R

R

Fuel Solenoid

(Energized)

R

R

BU

BU


(Headlights on)

GN

BN

BU

GY

W

PUR

R

BROWN

BLUE

GRAY

WHITE

PURPLE

RED

PK

BK

Y

T

GN

OR


PINK

BLACK

YELLOW

TAN

GREEN

ORANGE

OR/BK

OR/W

Y/W

Y/BK

R/W

R/BK

ORANGE BLACK

ORANGE WHITE

YELLOW WHITE

YELLOW BLACK

RED WHITE

RED BLACK


LX420, LX460 2006



RMC “activated”, transmission in “reverse”, PTO “on”)


SPARK PLUG

Y

IGNITION

MODULE

Seat Switch

(Operator On)

Y/BK

Brake Switch

(Brake Off)

Y

GN

Y/BK

PTO Switch

(PTO On)

Y

Y/BK

GN

R/W

G

M

L A2

B A1

Ignition Switch

(In Caution)

Y

PUR

R

PB Bypass GN

Y/BK

Magneto

Ground GN

Park Switch

(Brake Off)

R

PUR

A2 Power

A1 Power

Park Sw

Rev Sw

R/BK

RMC Module

Y/W

Reverse Switch

(In Reverse)

Battery

R

Fuse

(20 Amp)

R/W

R

Fuel Solenoid

(Energized)

R

BN

BU

GY

W

PUR

R

BROWN

BLUE

GRAY

WHITE

PURPLE

RED

PK

BK

Y

T

GN

OR


PINK

BLACK

YELLOW

TAN

GREEN

ORANGE

OR/BK

OR/W

Y/W

Y/BK

R/W

R/BK

ORANGE BLACK

ORANGE WHITE

YELLOW WHITE

YELLOW BLACK

RED WHITE

RED BLACK

R

BU

BU


(Headlights on)

GN

4-12


2006 LX500,GT2100

GT2200, GT2300


GT2100 Information List (2006)



Wiring Diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2

Circuit Diagrams

Starter Motor Circuit . . . . . . . . . . . . . . . . . . . . . . 5-4

Spark Circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-5

PTO Circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-7

Reverse Operating System . . . . . . . . . . . . . . . . 5-9


LX500, GT2100

GT2200, GT2300

Wiring Diagram

IGNITION SWITCH

OFF

RUN 1

G M A1

B A1 AND L A2

RUN 2 B A1

START B S A1

L G M S B A1 A2


BU/W

W

PTO

CLUTCH

GN

GN

BRAKE +

BRAKE

PTO

PTO +

N/C

+ 12V

GND

OR

OR/BK

OR/W

OR/BK

R

GN


BU

R

W

W/BK

R

3

4

5

Relay

1

GN

2

Y/BK

GN

GN


R/W

R

Y

BRAKE SWITCH



Y/W

OR OR/BK

Y

BU/W

R/W

R

Y/BK

W/BK

R

OR/BK

OR/W

PUR

GN

GN

2006

5-2


2006 LX500, GT2100

GT2200, GT2300

Wiring Diagram

Y/BK

W/BK

R

OR/BK

OR/W

PUR

GN

R/W

R

Y

BU/W

R/W

Y/W

OR/BK

BN

BU

GY

W

PUR

R

BROWN

BLUE

GRAY

WHITE

PURPLE

RED

PK

BK

Y

T

GN

OR


PINK

BLACK

YELLOW

TAN

GREEN

ORANGE

OR/BK

OR/W

Y/W

Y/BK

R/W

R/BK

ORANGE BLACK

ORANGE WHITE

YELLOW WHITE

YELLOW BLACK

RED WHITE

RED BLACK

FUSE

20A

PTO SWITCH


WITH PTO OFF

BU/W

W/BK

OR/BK

R

Y/BK

OR/W

R

R

OR/W

SOLENOID

R

B+

+

-

STARTER

R

START

Y

R/W

MAG

REG

SPARK PLUG

IGNITION

MODULES

SPARK PLUG

AC

AC

AFTERFIRE

SOLENOID

R

Y/W

Y

SEAT SWITCH



GN

R

Y

Y/BK

PUR

A1 POWER

SEAT SW

E-PTO

A2 POWER

GROUND

REV SW

RMC MODULE

REVERSE SWITCH



R/BK


LX500, GT2100

GT2200, GT2300



R

2006

OR

Brake Switch

(Brake Applied)

OR/BK

PTO Switch

(PTO Off)

OR/W

R

OR/W


(Energized)

R

Starter Motor

(Energized)

Battery

R R

Fuse

(20 Amp)

R/W

S

B

A1

Ignition Switch

(In Start)

R

BN

BU

GY

W

PUR

R

BROWN

BLUE

GRAY

WHITE

PURPLE

RED

PK

BK

Y

T

GN

OR


PINK

BLACK

YELLOW

TAN

GREEN

ORANGE

OR/BK

OR/W

Y/W

Y/BK

R/W

R/BK

ORANGE BLACK

ORANGE WHITE

YELLOW WHITE

YELLOW BLACK

RED WHITE

RED BLACK

R

R

Fuel Solenoid

(Energized)

BU


(Headlights on)

GN

5-4


2006 LX500,GT2100

GT2200, GT2300

Spark Circuit


GN

G

M

Ignition Switch

(In Start)

Y

GN

Seat Switch

(Operator On)

Y/W

Brake Switch

(Brake Applied)

Y


SPARK PLUG

IGNITION

MODULES

SPARK PLUG

BN

BU

GY

W

PUR

R

BROWN

BLUE

GRAY

WHITE

PURPLE

RED

PK

BK

Y

T

GN

OR


PINK

BLACK

YELLOW

TAN

GREEN

ORANGE

OR/BK

OR/W

Y/W

Y/BK

R/W

R/BK

ORANGE BLACK

ORANGE WHITE

YELLOW WHITE

YELLOW BLACK

RED WHITE

RED BLACK


LX500, GT2100

GT2200, GT2300

Spark Circuit

(ignition switch in “Normal”, PTO “on”)

2006

GN

Seat Switch

(Operator On)

Y

Y/W

Brake Switch

(Brake Off)

Y

Battery

R

Fuse

(20 Amp)

R/W

GN

Y

R/W

G

M

B A1

Ignition Switch

(In Normal)

R


SPARK PLUG

IGNITION

MODULES

SPARK PLUG

R

PTO Switch

(PTO On)

Y/BK

BU/W

W/BK

PTO

Clutch

(Engaged)

W

W/BK

R

Relay

(Not Energized)

3

4

5

1

2

GN

Y/BK

R

Fuel Solenoid

(Energized)

R

R

BU

BU


(Headlights on)

GN

Y Seat Switch

Ground GN

R

A1 Power

Y/BK E-PTO Rev Sw

R/BK

RMC Module

Reverse Switch

(In Forward)

BN

BU

GY

W

PUR

R

BROWN

BLUE

GRAY

WHITE

PURPLE

RED

PK

BK

Y

T

GN

OR


PINK

BLACK

YELLOW

TAN

GREEN

ORANGE

OR/BK

OR/W

Y/W

Y/BK

R/W

R/BK

ORANGE BLACK

ORANGE WHITE

YELLOW WHITE

YELLOW BLACK

RED WHITE

RED BLACK

5-6


2006 LX500,GT2100

GT2200, GT2300

PTO Circuit

(ignition switch in “Normal”, operator “off”, brake “on”)

GN

Seat Switch

(Operator Off)

Y

Y/W

Brake Switch

(Brake On)

Y

Battery

R

Fuse

(20 Amp)

R/W

GN

Y

R/W

G

M

B A1

Ignition Switch

(In Normal)

R


SPARK PLUG

IGNITION

MODULES

SPARK PLUG

Y/BK

PTO Switch

(PTO On)

BU/W

W/BK

PTO

Clutch

(Released)

W

W/BK

R

3

4

5

Relay

(Energized)

1

2

GN

Y/BK

R

Fuel Solenoid

(Energized)

R

R

BU

BU


(Headlights on)

GN

Y

Seat Switch

Ground GN

R

Y/BK

A1 Power

E-PTO

Rev Sw

R/BK

RMC Module

Reverse Switch

(In Forward)

BN

BU

GY

W

PUR

R

BROWN

BLUE

GRAY

WHITE

PURPLE

RED

PK

BK

Y

T

GN

OR


PINK

BLACK

YELLOW

TAN

GREEN

ORANGE

OR/BK

OR/W

Y/W

Y/BK

R/W

R/BK

ORANGE BLACK

ORANGE WHITE

YELLOW WHITE

YELLOW BLACK

RED WHITE

RED BLACK


LX500, GT2100

GT2200, GT2300

2006

PTO Circuit

(ignition switch in “Normal”, operator “off”, PTO “on”)

GN

Seat Switch

(Operator Off)

Y

Y/W

Brake Switch

(Brake Off)

Y

Battery

R

Fuse

(20 Amp)

R/W

GN

Y

G

M

R/W

B A1

Ignition Switch

(In Normal)

R


SPARK PLUG

IGNITION

MODULES

SPARK PLUG

R

PTO Switch

(PTO On)

Y/BK

BU/W

W/BK

PTO

Clutch

(Released) W

W/BK

R

3

4

5

Relay

(Energized)

1

2

GN

Y/BK

R

Fuel Solenoid

(Energized)

R

R

BU

BU


(Headlights on)

GN

Y

Seat Switch

Ground GN

R

Y/BK

A1 Power

E-PTO

Rev Sw

R/BK

RMC Module

Reverse Switch

(In Forward)

BN

BU

GY

W

PUR

R

BROWN

BLUE

GRAY

WHITE

PURPLE

RED

PK

BK

Y

T

GN

OR


PINK

BLACK

YELLOW

TAN

GREEN

ORANGE

OR/BK

OR/W

Y/W

Y/BK

R/W

R/BK

ORANGE BLACK

ORANGE WHITE

YELLOW WHITE

YELLOW BLACK

RED WHITE

RED BLACK

5-8


2006 LX500,GT2100

GT2200, GT2300



PTO “on”, transmission in “foward”)

GN

Seat Switch

(Operator On)

Y

Y/W

Brake Switch

(Brake Off)

Y

Battery

R

Fuse

(20 Amp)

R/W

GN

GN

G

M

R/W

L

A1

A2

B

Ignition Switch

(In Reverse Caution)

Y

PUR

R


SPARK PLUG

IGNITION

MODULES

SPARK PLUG

R

PTO Switch

(PTO On)

Y/BK

BU/W

W/BK

PTO

Clutch

(Engaged)

R

Fuel Solenoid

(Energized)

R

W

W/BK

R

Relay

(Not Energized)

3

4

5

1

2

GN

Y/BK

R

BU

BU


(Headlights on)

GN

Y

Seat Switch

R

A1 Power

PUR

Y/BK

A2 Power

E-PTO

Ground GN

Rev Sw

R/BK

RMC Module

Reverse Switch

(In Forward)

BN

BU

GY

W

PUR

R

BROWN

BLUE

GRAY

WHITE

PURPLE

RED

PK

BK

Y

T

GN

OR


PINK

BLACK

YELLOW

TAN

GREEN

ORANGE

OR/BK

OR/W

Y/W

Y/BK

R/W

R/BK

ORANGE BLACK

ORANGE WHITE

YELLOW WHITE

YELLOW BLACK

RED WHITE

RED BLACK


LX500, GT2100

GT2200, GT2300


(ignition switch in “Normal”,


2006

GN

Seat Switch

(Operator On)

Y

Y/W

Brake Switch

(Brake Off)

Y

Battery

R

Fuse

(20 Amp)

R/W

GN

Y

G

M

R/W

B A1

Ignition Switch

(In Normal)

R


SPARK PLUG

IGNITION

MODULES

SPARK PLUG

R

Y/BK

PTO Switch

(PTO On)

BU/W

W/BK

PTO

Clutch

(Released) W

W/BK

R

3

4

5

Relay

(Energized)

1

2

GN

Y/BK

R

Fuel Solenoid

(Energized)

R

R

BU

BU


(Headlights on)

GN

Y

Seat Switch

Ground GN

R

A1 Power

Y/BK

E-PTO

Rev Sw

R/BK

RMC Module

Reverse Switch

(In Reverse)

BN

BU

GY

W

PUR

R

BROWN

BLUE

GRAY

WHITE

PURPLE

RED

PK

BK

Y

T

GN

OR


PINK

BLACK

YELLOW

TAN

GREEN

ORANGE

OR/BK

OR/W

Y/W

Y/BK

R/W

R/BK

ORANGE BLACK

ORANGE WHITE

YELLOW WHITE

YELLOW BLACK

RED WHITE

RED BLACK

5-10


2006 LX500,GT2100

GT2200, GT2300

Battery

R

Fuse

(20 Amp)

R/W

GN

Seat Switch

(Operator On)

GN

GN

R/W

G M

L

A1

A2

B

Ignition Switch


Y

PUR

R

Y

Y/W

Brake Switch

(Brake Off)

Y

PTO Circuit




SPARK PLUG

IGNITION

MODULES

SPARK PLUG

R

Fuel Solenoid

(Energized)

R

R

BU

BU


(Headlights on)

GN

Y

Seat Switch

Ground GN

R

A1 Power

PUR

Y/BK

A2 Power

E-PTO

Rev Sw

R/BK

RMC Module

Reverse Switch

(In Reverse)

R

PTO Switch

(PTO On)

Y/BK

BU/W

W/BK

PTO

Clutch

(not engaged) W

W/BK

R

3

4

5

Relay

(Energized)

1

2

GN

Y/BK

BN

BU

GY

W

PUR

R

BROWN

BLUE

GRAY

WHITE

PURPLE

RED

PK

BK

Y

T

GN

OR


PINK

BLACK

YELLOW

TAN

GREEN

ORANGE

OR/BK

OR/W

Y/W

Y/BK

R/W

R/BK

ORANGE BLACK

ORANGE WHITE

YELLOW WHITE

YELLOW BLACK

RED WHITE

RED BLACK


LX500, GT2100

GT2200, GT2300

2006

PTO Circuit


RMC “activated”, PTO “on”, transmission in “reverse”)

GN

Seat Switch

(Operator On)

Y

Y/W

Brake Switch

(Brake Off)

Y


SPARK PLUG

IGNITION

MODULES

SPARK PLUG

Battery

R

Fuse

(20 Amp)

R/W

GN

GN

R/W

G

M

L

A1

A2

B

Ignition Switch


Y

PUR

R

R

PTO Switch

(PTO On)

Y/BK

BU/W

W/BK

PTO

Clutch

(Engaged)

R

R

Fuel Solenoid

(Energized)

W

W/BK

R

Relay

(Not Energized)

3

4

5

1

2

GN

Y/BK

R

BU

BU


(Headlights on)

GN

Y

Seat Switch

R

A1 Power

PUR

Y/BK

A2 Power

E-PTO

Ground

GN

Rev Sw

R/BK

RMC Module

Reverse Switch

(In Reverse)

BN

BU

GY

W

PUR

R

BROWN

BLUE

GRAY

WHITE

PURPLE

RED

PK

BK

Y

T

GN

OR


PINK

BLACK

YELLOW

TAN

GREEN

ORANGE

OR/BK

OR/W

Y/W

Y/BK

R/W

R/BK

ORANGE BLACK

ORANGE WHITE

YELLOW WHITE

YELLOW BLACK

RED WHITE

RED BLACK

5-12


2006

LX Series Lawn Tractors

GT2000 Series Garden Tractors


Form No. 492-9161

No results