Smart Junction Box (SJB)

The SJB is a combination of a multifunction electronic module and an interior fuse panel. It is located on the LH A-pillar, under the instrument panel. SJB functions control multiple vehicle systems, which include:

• Battery saver relay
• Brake shift interlock
• Delayed accessory
• Exterior lighting
• Global open (front windows only) (MKZ only, if equipped)
• Heated rear window
• Horn
• Interior lighting
• Moon roof (MKZ only, if equipped)
• Perimeter anti-theft
• Power locks
• Remote keyless entry (RKE)
• Tire pressure monitoring system (TPMS)
• Windshield wipers