Diagnosis Procedure
- CHECK TRUNK ROOM LAMP SWITCH INPUT SIGNAL
- Turn ignition switch OFF.
- Disconnect trunk lid lock assembly connector.
- Check signal between trunk lid lock assembly harness connector and ground using oscilloscope.
(+) (-) Signal (Reference value) Trunk lid lock assembly Connector Terminal B303 1 Ground Is the inspection result normal?
YES: GO TO 3.
NO: GO TO 2.
- CHECK TRUNK ROOM LAMP SWITCH CIRCUIT
- Disconnect BCM connector.
- Check continuity between BCM harness connector and trunk lid lock assembly harness connector.
BCM Trunk lid lock assembly Continuity Connector Terminal Connector Terminal M121 50 B303 1 Existed - Check continuity between BCM harness connector and ground.
BCM Ground Continuity Connector Terminal M121 50 Not existed Is the inspection result normal?
YES: Replace BCM. Refer to "REMOVAL AND INSTALLATION ".
NO: Repair harness or connector.
- CHECK TRUNK ROOM LAMP SWITCH GROUND CIRCUIT
Check continuity between trunk lid lock assembly harness connector and ground.
Trunk lid lock assembly Ground Continuity Connector Terminal B303 2 Existed Is the inspection result normal?
YES: GO TO 4.
NO: Repair or replace harness.
- 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 "TRUNK LID LOCK: REMOVAL AND INSTALLATION ".
- CHECK INTERMITTENT INCIDENT
Refer to "INTERMITTENT INCIDENT ".
INSPECTION END