Operation CHARM: Car repair manuals for everyone.

Pinpoint Test 6


Flowchart No.6 Symptom Interior light and courtesy lights stay on with all doors closed

Possible Cause
^ Damaged door switch
^ Damaged CPU

Ohmmeter Connection:




Action Chart:





Step 1
1. Open any door.
2. Remove the CPU from the joint box.
3. Check for continuity between terminal 1E of the CPU connector on the joint box and ground.

Ohmmeter Connection:




Reference:





Step 2
1. Remove the door switch.
2. Check for continuity between the terminal of the door switch and switch body.
3. If correct, repair the wiring harness. (CPU-door switch)
4. If not as specified, replace the door switch.