Symptom:
*COURTESY LAMPS ON AT ALL TIMES (EXCEPT BOTH FRONT
DOOR COURTESY LAMPS IF EQUIP)
POSSIBLE CAUSES
JUNCTION BLOCK
BCM, COURTESY LAMPS STAY ON
COURTESY LAMP DRIVER CIRCUIT SHORTED TO GROUND
TEST
ACTION
APPLICABILITY
1
Turn ignition off.
Ensure the courtesy lamp switch is in the off position.
Remove the Body Control Module from the Junction Block.
Did the courtesy lamps turn off?
All
Yes
→
Replace the Body Control Module.
Perform BODY VERIFICATION TEST - VER 1.
No
→
Go To
2
2
Turn ignition off.
Ensure the courtesy lamp switch is in the off position.
Disconnect the Junction Block C-1 connector.
Measure the Courtesy Lamp Driver circuit from the Junction Block C1 connector
cavity 16 to ground.
Is the resistance below 5.0 ohms?
All
Yes
→
Repair the Courtesy Lamp Driver circuit for a short to ground.
Perform BODY VERIFICATION TEST - VER 1.
No
→
Replace the Junction Block
Perform BODY VERIFICATION TEST - VER 1.
411
INTERIOR LIGHTING