CAN

TCM BRANCH LINE CIRCUIT

Diagnosis Procedure


1. CHECK CONNECTOR

1.Turn the ignition switch OFF.
2.Disconnect the battery cable from the negative terminal.
3.Check the following terminals and connectors for damage, bend and loose connection (unit side and connector side).
- TCM
-Harness connector F32
-Harness connector E2
Is the inspection result normal?
YES- GO TO 2.
NO- Repair the terminal and connector.

2. CHECK HARNESS FOR OPEN CIRCUIT

1.Disconnect the connector of TCM.
2.Check the resistance between the TCM harness connector terminals.





Is the measurement value within the specification?
YES- GO TO 3.
NO- Repair the TCM branch line.

3. CHECK POWER SUPPLY AND GROUND CIRCUIT

Check the power supply and the ground circuit of the TCM. Refer to "Diagnosis Procedure" P1701.
Is the inspection result normal?
YES (Present error)-Replace the TCM. Refer to "Removal and Installation" Removal and Installation.
YES (Past error)-Error was detected in the TCM branch line.
NO- Repair the power supply and the ground circuit.
Revision: March 20122013 Infiniti JX