Principles of Operation
PRINCIPLES OF OPERATIONNOTE:
- The time out for the battery saver relay and the accessory delay relay (both are controlled by the SJB) is 1 minute if the vehicle has less than 80 km (50 miles). Once the vehicle accumulates 80 km (50 miles), the time out for both relays will be 10 minutes, as described in the Owner's Literature. Refer to Lighting and Horns for battery saver relay information. Refer to Windows for accessory delay relay information.
- The smart junction box (SJB) is also known as the generic electronic module (GEM).
The SJB communicates via the medium speed controller area network (MS-CAN).
The SJB controls the power door lock system. The SJB monitors the door lock/unlock switch inputs from the interior door lock switches. When the SJB receives an unlock/lock command from any door lock control switch, the module activates the door lock actuators. Refer to Locks.
The SJB also controls the following remote lock/unlock features:
- Remote keyless entry (RKE) transmitter lock/unlock
- Panic alarm
- Keyless entry keypad
The SJB receives inputs and provides outputs for the exterior and interior lighting, front and rear wipers, warning chimes/lamps, controls the anti-theft perimeter alarm and has an integrated tire pressure monitoring system (TPMS).