Pinpoint Test 3

Flowchart No.3 Symptom Interior light does not illuminate [MX-6] (Spot light functions normally)

Possible Cause
^ Burnt interior light bulb
^ Damaged interior and spot light
^ Damaged CPU
^ Damaged door switch
^ Open or short circuit in wiring harness Poor connection of connector

Bulb Inspection:

Action Chart:

Step 1
Remove and check the interior light bulb.

Terminal Identification:

Action Chart:

Step 2
1. Remove the interior and spotlight.
2. Disconnect the interior and spotlight connector.
3. Check for continuity between terminal D (B) of the interior and spot light connector and ground.

Ohmmeter Connection:

Step 3
1. Remove the CPU from the joint box.
2. Connect a jumper wire between terminal 1E of the CPU connector on the joint box and ground.





3. Check for continuity between terminal B (G) of the interior and spot light connector and ground.

Ohmmeter Connection:

Action Chart:

Step 4
1. Open any door.
2. Check for continuity between terminal 1E of the CPU connector on the joint box and ground.

Ohmmeter Connection:

Reference:

Step 5
1. Remove the door switch.
2. Check for continuity between the terminals of the door switch.
3. If correct, repair the wiring harness. (CPU-door switch)
4. If not as specified, replace the door switch.