Diagnosis Procedure
- CHECK CONNECTOR
- Turn the ignition switch OFF.
- Disconnect the battery cable from the negative terminal.
- Check the following terminals and connectors of the TCM for damage, bend and loose connection (unit side and connector side).
Is the inspection result normal?
YES
Diesel engine models: GO TO STEP 2 .
YES
Gasoline engine models: GO TO STEP 3 .
NO
Repair the terminal and connector.
- CHECK HARNESS FOR OPEN CIRCUIT
- Disconnect the connector of TCM.
- Check the resistance between the TCM harness connector terminals.
TCM harness connector
Resistance (Ω)
Connector No.
Terminal No.
E73
63
64
Approx. 54 - 66
Is the measurement value within the specification?
YES
GO TO STEP 5 .
NO
Repair the TCM branch line.
- CHECK HARNESS FOR OPEN CIRCUIT
- Disconnect the connector of A/T assembly.
- Check the resistance between the A/T assembly harness connector terminals.
A/T assembly harness connector
Resistance (Ω)
Connector No.
Terminal No.
F46
3
8
Approx. 54 - 66
Is the measurement value within the specification?
YES
GO TO STEP 4 .
NO
Repair the TCM branch line.
- CHECK HARNESS FOR OPEN CIRCUIT
- Remove the joint connector. Refer to Removal and Installation .
- Check the continuity between the A/T assembly harness connector side and the TCM harness connector side of the joint connector.
A/T assembly harness connector side
TCM harness connector side
Continuity
Terminal No.
Terminal No.
3
1
Existed
8
2
Existed
Is the inspection result normal?
YES
GO TO STEP 5 .
NO
Replace the joint connector.
- CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the TCM. Refer to the following.
- 6AT RE6R01A: Diagnosis Procedure
- 7AT RE7R01B: Diagnosis Procedure
Is the inspection result normal?
YES
Replace the TCM. Refer to the following.
- 6AT RE6R01A: Removal and Installation
- 7AT RE7R01B: Removal and Installation
YES
Error was detected in the TCM branch line.
NO
Repair the power supply and the ground circuit.