Diagnostic Test
- 1) MEASURE THE RESISTANCE OF THE DOME LAMP CIRCUIT
Turn the ignition off.
Disconnect the BCM harness connector.
Disconnect the Dome Lamp harness connector.
NOTE: Check connector - Clean/repair as necessary.Measure the resistance of the Dome Lamp circuit between the BCM harness connector and the Dome Lamp harness connector.
Is the resistance below 5.0 ohms?
Yes
- Go to 2).
No
- Repair the Dome Lamp circuit for an open.
- Perform BODY VERIFICATION TEST .
- 2) MEASURE THE VOLTAGE OF THE DOME LAMP CIRCUIT
Turn the ignition on.
Measure the voltage of the Dome Lamp circuit between the Dome Lamp harness connector and Ground.
Is voltage present?
Yes
- Repair the Dome Lamp circuit for a short to battery.
- Perform BODY VERIFICATION TEST .
No
- Go to 3).
- 3) MEASURE THE RESISTANCE OF THE DOME LAMP CIRCUIT
Turn the ignition off.
Measure the resistance of the Dome Lamp circuit between the Dome Lamp harness connector and ground.
Is the resistance below 10K ohms?
Yes
- Repair the Dome Lamp circuit for a short to ground.
- Perform BODY VERIFICATION TEST .
No
- Replace the Body Control Module. Refer to REMOVAL .
- Perform BODY VERIFICATION TEST .