Trunk Lamp Switch: Testing and Inspection

TRUNK ROOM LAMP SWITCH

Component Function Check


1. CHECK FUNCTION

1.Select "TRUNK" of "BCM" using CONSULT.
2.Select "TRNK/HAT MNTR" in "DATA MONITOR" mode.
3.Check that the function operates normally according to the following conditions.





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


Diagnosis Procedure


1. CHECK TRUNK ROOM LAMP SWITCH INPUT SIGNAL

1.Turn ignition switch OFF.
2.Disconnect trunk lid lock assembly.
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 connector and trunk lid lock assembly 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.

3. CHECK TRUNK ROOM LAMP SWITCH GROUND CIRCUIT

Check continuity between trunk lid lock assembly connector and ground.





Is the inspection result normal?
YES- GO TO 4.
NO- Repair or replace harness.

4. CHECK TRUNK ROOM LAMP SWITCH

.
Is the inspection result normal?
YES- GO TO 5.
NO- Replace trunk lid lock assembly.

5. CHECK INTERMITTENT INCIDENT

Intermittent Incident.
- INSPECTION END


Component Inspection


1. CHECK TRUNK ROOM LAMP SWITCH

1.Turn ignition switch OFF.
2.Disconnect trunk lid lock assembly connector.
3.Check continuing between trunk room lamp switch terminal.





Is the inspection result normal?
YES- INSPECTION END
NO- Replace trunk lid lock assembly.