Pinpoint Test 15

Flowchart No. 15 Symptom Door ajar warning light does not illuminate with any door open

Possible cause
^ Burnt door ajar warning light bulb
^ Damaged CPU
^ Damaged door switch
^ Open or short circuit in wiring harness
^ Poor connection of connector

Step 1
1. Remove the instrument cluster.

Bulb Inspection:

Action Chart:

2. Remove and check the door ajar warning light bulb.

Step 2
1. Remove the CPU from the joint box.

Terminal Identification:

Action Chart:

2. Ground terminal 1E of the CPU on the joint box and verify that the door ajar warning light illuminates.

Step 3
1. Remove the door switches.

Ohmmeter Connection:

Reference:

2. Check for continuity between the terminals of each switch.
3. If correct, repair the wiring harness (CPU-door switch).
4. If not as specified, replace the door switch.