Trunk/Liftgate Sensor/Switch (For Alarm): Testing and Inspection

TRUNK LAMP SWITCH

Description

Detects trunk open/close condition.


Component Function Check


1. CHECK FUNCTION

With CONSULT
Check TRNK/HAT MNTR in Data Monitor mode with CONSULT.





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


Diagnosis Procedure

Regarding Wiring Diagram information, refer to "TRUNK LID OPENER SYSTEM : Wiring Diagram" Trunk Lid Opener System.

1. CHECK TRUNK ROOM LAMP SWITCH INPUT SIGNAL

1.Turn ignition switch OFF.
2.Check voltage between BCM connector and ground.





Is the inspection result normal?
YES- GO TO 6
NO- GO TO 2

2. CHECK TRUNK ROOM LAMP SWITCH CIRCUIT

1.Disconnect BCM and trunk room lamp switch connector.
2.Check continuity between BCM connector and trunk room lamp switch connector.





3.Check continuity between BCM connector and ground.





Is the inspection result normal?
YES- GO TO 3
NO- Repair or replace harness between BCM and trunk room lamp switch.

3. CHECK TRUNK ROOM LAMP SWITCH GROUND CIRCUIT

Check continuity between trunk room lamp switch connector and ground.





Is the inspection result normal?
YES- GO TO 4
NO- Repair or replace trunk room lamp switch ground circuit.

4. CHECK BCM OUTPUT SIGNAL

1.Insure trunk lid remains closed during this step.
2.Connect BCM connector.
3.Check voltage between BCM connector and ground.





Is the inspection result normal?
YES- GO TO 5
NO- Replace BCM. Refer to "Removal and Installation" Service and Repair.

5. CHECK TRUNK ROOM LAMP SWITCH

Refer to "Component Function Check" Trunk Lid Opener Switch.
Is the inspection result normal?
YES- GO TO 6
NO- Replace trunk room lamp switch.

6. CHECK INTERMITTENT INCIDENT

Refer to "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 trunk room lamp switch.





Is the inspection result normal?
YES- Inspection End.
NO- Replace trunk room lamp switch.