FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Diagnosis Procedure





TRUNK ROOM LAMP SWITCH


Description

Detects trunk open/close condition.




TRUNK ROOM LAMP SWITCH


Diagnosis Procedure

1.CHECK TRUNK ROOM LAMP SWITCH INPUT SIGNAL
1. Turn ignition switch OFF.
2. Disconnect trunk lid lock assembly connector.
3. Check signal between trunk lid lock assembly harness connector and ground using oscilloscope.





Is the inspection result normal?
YES - GO TO 3.
NO - GO TO 2.
2.CHECK TRUNK ROOM LAMP SWITCH CIRCUIT
1. Disconnect BCM connector.
2. Check continuity between BCM harness connector and trunk lid lock assembly harness connector.





3. Check continuity between BCM harness connector and ground.





Is the inspection result normal?
YES - Replace BCM. Refer to Removal and Installation.
NO - Repair harness or connector.
3.CHECK TRUNK ROOM LAMP SWITCH GROUND CIRCUIT
Check continuity between trunk lid lock assembly harness connector and ground.





Is the inspection result normal?
YES - GO TO 4.
NO - Repair or replace harness.
4.CHECK TRUNK ROOM LAMP SWITCH
Refer to Component Inspection.
Is the inspection result normal?
YES - GO TO 5.
NO - Replace trunk lid lock assembly. Refer to Removal and Installation.
5.CHECK INTERMITTENT INCIDENT
Refer to Intermittent Incident.
- INSPECTION END