Diagnosis Procedure
WARNING: This page is about a different car, the 2018 Nissan Maxima. 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 M6
- Harness connector B1
Is the inspection result normal?
YES
GO TO 2 .
NO
Repair the terminal and connector.
- CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
- Disconnect the following harness connectors.
- A/C auto amp.
- Harness connectors M6 and B1
- Check the continuity between the A/C auto amp. harness connector and the harness connector.
A/C auto amp. harness connector
Harness connector
Continuity
Connector No.
Terminal No.
Connector No.
Terminal No.
M37
1
M6
54J
Existed
21
52J
Existed
Is the inspection result normal?
YES
GO TO 3 .
NO
Repair the main line between the A/C auto amp. and the harness connector M6.
- Disconnect the following harness connectors.
- CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
- Disconnect the harness connector B32 and B208.
- Check the continuity between the harness connectors.
Harness connector
Harness connector
Continuity
Connector No.
Terminal No.
Connector No.
Terminal No.
B1
54J
B32
5
Existed
52J
4
Existed
Is the inspection result normal?
YES
Check CAN system type decision again.
YES
Error was detected in the main line between the A/C auto amp. and the driver seat control unit.
NO
Repair the main line between the harness connector B1 and the driver seat control unit.