Test C: The Courtesy Lamps Stay On Continuously
PINPOINT TEST C: THE COURTESY LAMPS STAY ON CONTINUOUSLYNormal Operation
When any door or the liftgate is opened, the ajar switch (or the liftgate/trunk module [LTM], if equipped) opens the circuit to the smart junction box (SJB). The SJB monitors the ajar circuits, and based on the ajar status, supplies voltage to the courtesy lamps on circuit VLN33 (GY/VT).
Part 1:
Part 2:
This pinpoint test is intended to diagnose the following:
- Wiring, terminals or connectors
- Door ajar switch
- Liftgate ajar switch
- Instrument panel dimmer switch
- LTM
- SJB