Diagnosis Procedure
WARNING: This page is about a different car, the 2020 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 B124
- Harness connector B32
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.
- Side radar RH
- Harness connectors B124 and B32
- Check the continuity between the side radar RH harness connector and the harness connector.
Side radar RH harness connector
Harness connector
Continuity
Connector No.
Terminal No.
Connector No.
Terminal No.
B109
6
B124
3
Existed
7
10
Existed
Is the inspection result normal?
YES
GO TO 3.
NO
Repair the main line between the side radar RH and the harness connector B124.
- Disconnect the following harness connectors.
- CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
- Disconnect the harness connectors B77 and B400.
- Check the continuity between the harness connectors.
Harness connector
Harness connector
Continuity
Connector No.
Terminal No.
Connector No.
Terminal No.
B32
3
B77
12
Existed
10
13
Existed
Is the inspection result normal?
YES
Check CAN system type decision again.
YES
Error was detected in the main line between the side radar RH and the side radar LH.
NO
Repair the main line between the harness connector B32 and side radar LH.