B2423

DTC Logic


DTC DETECTION LOGIC







DTC CONFIRMATION PROCEDURE


1. PERFORM DTC CONFIRMATION PROCEDURE

1.Turn ignition switch ON.
2.Operate automatic back door.
3.Check "Self-Diagnostic Result" mode of "AUTOMATIC BACK DOOR CONTROL MODULE" using CONSULT.
Is DTC detected?
YES- Refer to "Diagnosis Procedure" .
NO- Inspection End.


Diagnosis Procedure

Regarding Wiring Diagram information, refer to "Wiring Diagram" Electrical Diagrams.

1. ERASE DTC

1.At least 180 seconds are passed after automatic back door operation is inhibited.
2.Erase DTC, and then repeat "PERFORM DTC CONFIRMATION PROCEDURE".
Is DTC detected?
YES- GO TO 2.
NO- Inspection End.

2. CHECK SPINDLE MOTOR CIRCUIT

1.Turn ignition switch OFF.
2.Disconnect automatic back door control module and spindle unit connector.
3.Check continuity between automatic back door control module harness connector and spindle unit harness connector.





4.Check continuity between automatic back door control module harness connector and ground.
Revision: March 20122013 Infiniti JX





Is the inspection result normal?
YES- Replace automatic back door control module. Refer to "Removal and Installation" Service and Repair.
NO- Repair or replace harness.
Revision: March 20122013 Infiniti JX