Trunk Room Lamp Switch

TRUNK ROOM LAMP SWITCH





Description
It detects engagement of trunk lid lock assembly and trunk lid striker.




Component Function Check
1.CHECK FUNCTION
Check ("TRNK/HAT MNTR") in BCM "Data Monitor" mode using CONSULT-III.





Is the inspection result normal?
YES - Trunk room lamp switch is OK.
NO - SEE Diagnosis Procedure.




Diagnosis Procedure
1.CHECK TRUNK ROOM LAMP SWITCH INPUT SIGNAL
1. Turn ignition switch OFF.
2. Disconnect trunk room lamp switch connector.
3. Check signal between trunk room lamp switch 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, trunk closure control unit connector and retractable hard top control unit connector.
2. Check continuity between BCM harness connector and trunk room lamp switch harness connector.





3. Check continuity between BCM harness connector and ground.





Is the inspection result normal?
YES - Replace BCM. Removal And Installation.
NO - Repair harness or connector.
3.CHECK TRUNK ROOM LAMP SWITCH GROUND CIRCUIT
1. Disconnect trunk lid opener actuator connector.
2. Check continuity between retractable hard top control unit harness connector and trunk room lamp switch harness connector.





3. Check continuity between retractable hard top control unit harness connector and ground.





Is the inspection result normal?
YES - GO TO 4.
NO - Repair or replace harness.
4.CHECK RETRACTABLE HARD TOP CONTROL UNIT POWER SUPPLY AND GROUND CIRCUIT
Retractable Hard Top Control Unit.
Is the inspection result normal?
YES - GO TO 5.
NO - Repair or replace the malfunctioning parts.
5.CHECK TRUNK ROOM LAMP SWITCH GROUND
1. Connect retractable hard top control unit connector.
2. Check continuity between retractable hard top control unit harness connector and ground.





Is the inspection result normal?
YES - GO TO 6.
NO - Replace retractable hard top control unit. Service and Repair.
6.CHECK TRUNK ROOM LAMP SWITCH
SEE Component Inspection.
Is the inspection result normal?
YES - GO TO 7.
NO - Replace trunk room lamp switch (trunk lid lock assembly). Removal and Installation.
7.CHECK INTERMITTENT INCIDENT
Intermittent Incident.
- INSPECTION END




Component Inspection
1.CHECK TRUNK ROOM LAMP SWITCH
1. Turn ignition switch OFF.
2. Disconnect trunk room lamp switch connector.
3. Check continuity between trunk room lamp switch terminals.





Is the inspection result normal?
YES - INSPECTION END
NO - Replace trunk room lamp switch (trunk lid lock assembly). Removal and Installation.