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 B32
- Harness connector B124
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.
- Automatic back door control module
- Harness connectors B32 and B124
- Check the continuity between the automatic back door control module harness connector and the harness connector.
Automatic back door control module
harness connectorHarness connector Continuity Connector No. Terminal No. Connector No. Terminal No. B55 24 B32 18 Existed 12 19 Existed
Is the inspection result normal?
YES
GO TO STEP 3 .
NO
Repair the main line between the automatic back door control module and the harness connector B32.
- Disconnect the following harness connectors.
- CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
- Disconnect the connector of ADAS control unit.
- Check the continuity between the harness connector and the ADAS control unit harness connector.
Harness connector ADAS control unit harness connector Continuity Connector No. Terminal No. Connector No. Terminal No. B124 18 B104 1 Existed 19 2 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 automatic back door control module and the ADAS control unit.
NO
Repair the main line between the harness connector B124 and the ADAS control unit.