Courtesy Lamp Inoperative With Right Rear Door

Test 1 - 3:

Test 4:

SYMPTOM
COURTESY LAMP INOPERATIVE WITH RIGHT REAR DOOR

TEST NOTE
This symptom is diagnosed using the test OPEN PASSENGER (RIGHT REAR) DOOR AJAR CIRCUIT.

POSSIBLE CAUSES
- Body 20-way connector defective (cav16)
- Body control module DEF open input (cav16)
- RR door ajar (closed) switch defective (closed)
- RR door ajar switch sense circuit defective open
- RR door switch ground strap corroded/damaged