CAN

TCM BRANCH LINE CIRCUIT


Diagnosis Procedure

Regarding Wiring Diagram information, Electrical Diagrams.
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 F1
- Harness connector E3
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. [1][2]Electrical Diagrams.
Is the inspection result normal?
YES (Present error)-Replace the TCM. Exploded View.
YES (Past error)-Error was detected in the TCM branch line.
NO - Repair the power supply and the ground circuit.