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 M31
- Harness connector E152
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.
- Sonar control unit
- Harness connector M31 and E152
- Check the continuity between the sonar control unit harness connector and the harness connector.
Sonar control unit harness connector Harness connector Continuity Connector No. Terminal No. Connector No. Terminal No. M70 5 M31 41G Existed 6 40G Existed
Is the inspection result normal?
YES
GO TO STEP 3 .
NO
Repair the main line between the sonar control unit and the harness connector M31.
- Disconnect the following harness connectors.
- CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
- Disconnect the connector of accelerator pedal actuator.
- Check the continuity between the harness connector and the accelerator pedal actuator harness connector.
Harness connector Accelerator pedal actuator harness connector Continuity Connector No. Terminal No. Connector No. Terminal No. E152 41G E74 3 Existed 40G 9 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 sonar control unit and the accelerator pedal actuator.
NO
Repair the main line between the harness connector E152 and the accelerator pedal actuator.