Smart Junction Box (SJB): Notes

The Smart Junction Box (SJB) is located on the LH side cowl under the instrument panel and has control of the following systems:

• Interior lighting
• Exterior lighting
• Dimmable backlighting
• Battery saver function
• Delayed accessory relay function
• Global open function (MKZ)
• Horn
• Heated rear window
• Brake shift interlock
• Power door locks
• Remote Keyless Entry (RKE) system
• Perimeter alarm
• Tire Pressure Monitoring System (TPMS)

Refer to the appropriate service information in this article for system specific information and diagnostics.