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)