Multifunction Electronic Modules System: Overview Ford Mustang V

Principles of Operation

The smart junction box (SJB) is a combination of a multifunction control module and an interior power junction box. SJB functions control multiple systems which include

1. warning chimes and warning lamps
2. power windows global open/close
3. power locks
4. battery saver
5. illuminated entry with remote keyless entry (RKE)
6. interior lighting
7. exterior lighting
8. perimeter anti-theft

For additional information on interior lamps and illuminated entry, refer to INTERIOR LIGHTING .

For additional information on exterior lighting, refer to EXTERIOR LIGHTING .

For additional information on power door locks and RKE, refer to HANDLES, LOCKS, LATCHES AND ENTRY SYSTEMS .

For additional information on warning chimes and warning lamps, refer to WARNING DEVICES .

For additional information on perimeter anti-theft, refer to ANTI-THEFT - PERIMETER A.

Normal Operation

The SJB is supplied voltage by the bussed electrical center (BEC) through circuits 294 (WH/LB), 905 (GY/LB), 1052 (TN/BK), 1523 (DG), and 1679 (WH/YE). Ground to the SJB is supplied through circuit 1205 (BK).