Body Control Systems: Description and Operation

Module Controlled Functions

NOTE: The Smart Junction Box (SJB) is also known as the Generic Electronic Module (GEM).

The SJB is the only multifunction electronic module on this vehicle. The SJB is a combination of a multifunction electronic module and a Central Junction Box (CJB). The following systems are controlled by the SJB:

- Accessory delay relay
- Battery saver relay
- Daytime Running Lamps (DRL) driver
- Fog lamp relay
- Horn relay
- Illuminated entry and interior lighting
- Parking lamps
- Power door locks (if equipped)
- Remote Keyless Entry (RKE) system (if equipped)
- Tire Pressure Monitoring System (TPMS) (if equipped)