Courtesy Lamp Inoperative With Left Front Door

SYMPTOM
* COURTESY LAMPS INOPERATIVE FROM LEFT FRONT DOOR

TEST NOTE
This symptom is diagnosed using the test * OPEN DRIVER DOOR AJAR.

POSSIBLE CAUSES
- Central Timer Module defective
- Left front door latch assembly open
- Left front door ajar switch ground circuit open
- Left front door ajar switch sense circuit open