Test C: The Interior Lamps Stay on Continuously

PINPOINT TEST C: THE INTERIOR LAMPS STAY ON CONTINUOUSLY

C1-C2:

C3:

Normal Operation
The instrument cluster energizes circuit 53 (BK/LB) providing power to the interior lamps. The interior lamps are grounded through circuit 1205 (BK). The interior lamps remain lit until the instrument cluster removes voltage from circuit 53 (BK/LB).

Possible Causes
- instrument cluster
- bulb
- door ajar switch
- circuit 53 (BK/LB)
- vehicle security module