Poor transmitter range. Jaguar XJ40

POOR TRANSMITTER RANGE

If the transmitter operates, but the range is poor, first check the range of the second transmitter. If both transmitters have equally poor range, check the following before replacing any items.

1.

Check the voltage of the transmitters’ batteries. Each battery should measure approximately 3 volts.

2.

Check the integrity of the harness for the following inputs to the SLCM:

SLCM DOES NOT ENTER THE

MANUAL LEARN MODE

If the SLCM will not enter the

“Learn mode”, check the following:

• The ignition key must be in the

“Ignition On” position.

• The security system must be disarmed.

• All the vehicle doors must be unlocked.

• The vehicle must not be in the

“Valet” mode. (Open the trunk lid before attempting to enter the “Learn” mode.)

Function

RF Ground

RF Antenna Signal

Connector Identification

SLCM Connector CA 20-7 (BRD)

SLCM Connector CA 20-15 (WN)

(WIre color code: W=White, N=Brown, BRD=Shielded cable)

If the points at the left have been checked and the SLCM still will not enter the “Learn” mode, check the integrity of the following inputs to the

SLCM.

Function

Lock Actuator Status (RH)

Lock Actuator Status (LH)

Ignition Auxiliary ON

Trunk Valet mode switch

Ignition ON

Connector Identification

SLCM Connector CA 18-12 (YB)

SLCM Connector CA 18-10 (YR)

SLCM Connector CA 18-8 (WN)

SLCM Connector CA 19-6 (YW)

SLCM Connector CA 19-17 (WO)

(Wire color code: Y=Yellow, B=Black, R=Red, W=White, N=Brown,