Diagnosis Procedure
WARNING: This page is about a different car, the 2018 Nissan Titan XD and 2018 Nissan Titan. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK CONNECTOR
- Turn the ignition switch OFF.
- Disconnect the battery cable from the negative terminal.
- Check the following terminals and connectors for damage, bend and loose connection (connector side and harness side).
- Harness connector E35
- Harness connector B41
- Harness connector B54
- Harness connector B201
Is the inspection result normal?
YES
GO TO STEP 2 .
NO
Repair the terminal and connector.
- CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
- Disconnect the following harness connectors.
- TCM
- Harness connector E35 and B41
- Check the continuity between the TCM harness connector and the harness connector.
TCM harness connector
Harness connector
Continuity
Connector No.
Terminal No.
Connector No.
Terminal No.
E73
63
E35
8
Existed
64
7
Existed
Is the inspection result normal?
YES
GO TO STEP 3 .
NO
Repair the main line between the TCM and the harness connector E35.
- Disconnect the following harness connectors.
- CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
- Disconnect the harness connectors B54 and B201.
- Check the continuity between the harness connectors.
Harness connector
Harness connector
Continuity
Connector No.
Terminal No.
Connector No.
Terminal No.
B41
8
B54
5
Existed
7
4
Existed
Is the inspection result normal?
YES
Check CAN system type decision again.
YES
Error was detected in the main line between the TCM and the driver seat control unit.
NO
Repair the main line between the harness connector B41 and driver seat control unit.