Door Switch

DOOR SWITCH

Diagnosis Procedure


1. CHECK DOOR SWITCH INPUT SIGNAL

1.Turn ignition switch OFF.
2.Disconnect malfunctioning door switch connector.
3.Check signal between malfunctioning door switch harness connector and ground using oscilloscope.





Is the inspection result normal?
YES- GO TO 3.
NO- GO TO 2.

2. CHECK DOOR SWITCH CIRCUIT

1.Disconnect BCM connector.
2.Check continuity between door switch harness connector and BCM harness connector.





3.Check continuity between door switch harness connector and ground.





Is the inspection result normal?
YES- Replace BCM. Refer to "Removal and Installation" Service and Repair.
NO- Repair or replace harness.

3. CHECK DOOR SWITCH GROUND CIRCUIT

Check continuity between door switch harness connector and ground.
Revision: March 20122013 Infiniti JX





Is the inspection result normal?
YES- GO TO 4.
NO- Repair or replace harness.

4. CHECK DOOR SWITCH

Refer to "Component Inspection" Door Switch.
Is the inspection result normal?
YES- GO TO 5.
NO- Replace malfunctioning door switch.

5. CHECK INTERMITTENT INCIDENT

Refer to "Intermittent Incident" Intermittent Incident.
- Inspection End.
Revision: March 20122013 Infiniti JX