Interior Lighting

INTERIOR LIGHTING

NOTE: The smart junction box (SJB) is also known as the generic electronic module (GEM).

The interior lighting system consists of the following components:
- SJB
- Liftgate/trunk module (LTM) (if equipped)
- Dimmer control switch
- Interior/map lamps
- Puddle lamps
- Cargo lamp
- Vanity mirror lamps
- Door ajar switches

The interior lighting system consists of 2 subsystems:
- Courtesy lamps
- Demand lamps

The courtesy lamps are controlled by the SJB. The SJB supplies voltage to the courtesy lamps. The courtesy lamp subsystem consists of the interior dome lamps, the overhead console lamps, the cargo lamp, and the puddle lamps (if equipped).

The SJB supplies voltage to the demand lamps. The demand lamps subsystem consists of the front map lamps, and the left and right vanity mirror lamps.

The SJB supplies power to the interior lighting system. The SJB and the LTM (if equipped) set DTCs if certain circuit failures exist with the interior lighting system.