CAN Communication System Inspection. Nissan Maxima

TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS

[TCS/ABS]

CAN Communication System Inspection

INSPECTION PROCEDURE

1.

PERFORM SELF-DIAGNOSIS

Perform ABS actuator and electric unit (control unit) self-diagnosis.

Is “CAN COMM CIRCUIT” displayed in the self-diagnosis display items?

Yes >> Print out the self-diagnosis results and go to 2.

No >> INSPECTION END.

2.

CONNECTOR INSPECTION

1.

Turn the ignition switch off and disconnect the ABS actuator and electric unit connector E125.

2.

Check the terminals for deformation, disconnection, looseness or damage.

OK or NG

OK

NG

>> GO TO 3.

>> Repair or replace as necessary.

3.

CAN COMMUNICATION SYSTEM CHECK

Check the data monitor item “CAN Diagnosis Support Monitor”.

Normal

CAN COMM: OK

CAN CIRC 1: OK

CAN CIRC 2: OK

CAN CIRC 3: OK

CAN CIRC 4: UNKWN

CAN CIRC 5: OK

CAN CIRC 6: UNKWN

Error (example)

CAN COMM: OK

CAN CIRC 1: UNKWN

CAN CIRC 2: UNKWN

CAN CIRC 3: UNKWN

CAN CIRC 4: UNKWN

CAN CIRC 5: UNKWN

CAN CIRC 6: UNKWN

EFS00307

>> After printing out the monitor items, go to CAN system. Refer to LAN-8, "CAN COMMUNICA-

TION" .

BRC-78