Operation CHARM: Car repair manuals for everyone.

CAN




MAIN LINE BETWEEN SONAR AND APA CIRCUIT

Diagnosis Procedure


1. CHECK CONNECTOR

1.Turn the ignition switch OFF.
2.Disconnect the battery cable from the negative terminal.
3.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 2.
NO- Repair the terminal and connector.

2. CHECK HARNESS CONTINUITY (OPEN CIRCUIT)

1.Disconnect the following harness connectors.
-Sonar control unit
-Harness connector M31 and E152
2.Check the continuity between the sonar control unit harness connector and the harness connector.





Is the inspection result normal?
YES- GO TO 3.
NO- Repair the main line between the sonar control unit and the harness connector M31.

3. CHECK HARNESS CONTINUITY (OPEN CIRCUIT)

1.Disconnect the connector of accelerator pedal actuator.
2.Check the continuity between the harness connector and the accelerator pedal actuator harness connector.





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.
Revision: March 20122013 Infiniti JX