Courtesy Lamp Inoperative With Left Rear Door

Test 240 - 243:

SYMPTOM
* COURTESY LAMP INOPERATIVE WITH LEFT REAR DOOR

TEST NOTE: All symptoms listed above are diagnosed using the same tests. The title for the tests will be * OPEN PASSENGER (LEFT REAR) DOOR AJAR CIRCUIT.

POSSIBLE CAUSES
- Left rear door ajar closed switch defective (closed)
- LR door ajar closed switch sense circuit (open)
- Body control module DEF open input (CAV6)
- Body 20-way connector defective (CAV6)
- LR door switch ground strap corroded/damaged