Power Trunk / Liftgate Lock Actuator: Testing and Inspection

TRUNK LID OPENER ACTUATOR





Description
Performs trunk lid open with signal from BCM.




Component Function Check
1.CHECK TRUNK LID OPENER CANCEL SWITCH
Check trunk lid opener cancel switch position.
Is trunk lid opener cancel switch turned OFF (CANCEL)?
Yes - Turn on trunk lid opener cancel switch.
No - GO TO 2.
2.CHECK FUNCTION
1. Perform Active Test TRUNK/GLASS HATCH with CONSULT-III.
2. Touch "OPEN" and check that trunk lid opens.
Is the inspection result normal?
YES - Trunk lid opener actuator is OK.
NO - SEE Diagnosis Procedure.




Diagnosis Procedure
Regarding Wiring Diagram information, [1][2]Electrical Diagrams.
1.CHECK OUTPUT CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect trunk lamp switch and trunk release solenoid connector.





3. Check voltage between trunk lamp switch and trunk release solenoid connector and ground.





Is the inspection result normal?
YES - GO TO 4
NO - GO TO 2
2.CHECK OUTPUT SIGNAL





Check voltage between BCM connector and ground.





Is the inspection result normal?
YES - Repair or replace harness.
NO - GO TO 3
3.CHECK TRUNK LID OPENER ACTUATOR CIRCUIT
1. Disconnect BCM.





2. Check continuity between BCM connector and trunk lamp switch and trunk release solenoid connector.





3. Check continuity between BCM connector and ground.





Is the inspection result normal?
YES - Replace BCM. Service and Repair.
NO - Repair or replace harness.
4.CHECK TRUNK LID OPENER GROUND CIRCUIT





Check continuity between trunk lamp switch and trunk release solenoid connector and ground.





Is the inspection result normal?
YES - Replace trunk lamp switch and trunk release solenoid.
NO - Repair or replace harness.