Diagnostic Test
WARNING: This page is about a different car, the 2016 Infiniti QX60. 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 M40
- Harness connector B69
Is the inspection result normal?
YES
GO TO STEP 2 .
NO
Repair the terminal and connector.
- CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
- Disconnect the harness connectors M40 and B69.
- Check the continuity between the data link connector and the harness connector.
Data link connector Harness connector Continuity Connector No. Terminal No. Connector No. Terminal No. M22 6 M40 89A Existed 14 90A Existed
Is the inspection result normal?
YES
GO TO STEP 3 .
NO
Repair the main line between the data link connector and the harness connector M40.
- CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
- Disconnect the connector of automatic back door control module.
- Check the continuity between the harness connector and the automatic back door control module harness connector.
Harness connector Automatic back door control module harness connector Continuity Connector No. Terminal No. Connector No. Terminal No. B69 89A B55 24 Existed 90A 12 Existed Is the inspection result normal?
YES (Present error)
Check CAN system type decision again.
YES (Past error)
Error was detected in the main line between the data link connector and the automatic back door control module.
NO
Repair the main line between the harness connector B69 and the automatic back door control module.