Relay Box: Description and Operation

JUNCTION BOXES
A number of junction boxes are used to distribute power throughout the vehicle. For more information on fuse ratings and circuits protected, refer to the Electrical Circuit Diagrams.

Auxiliary Junction Box

NOTE: The Auxiliary Junction Box (AJB) is fitted to diesel vehicles only.

The AJB is mounted on the engine bulkhead, behind the battery. The AJB receives its main power supply from the battery and provides circuit protection for the glow plug system.

Battery Junction Box
The BJB (battery junction box) is located in the e-box, on the RH (right-hand) side of the engine compartment. The BJB (battery junction box) receives its main power supply from the battery via the CJB (central junction box) and contains fusible links, blade fuses and relays.

Central Junction Box
The CJB (central junction box) is located behind the glove box and receives its main power supply from the battery. The CJB (central junction box) contains fusible links, blade fuses and relays. The CJB (central junction box) also provides the main power supply to the BJB (battery junction box) and the rear junction box.

Rear Junction Box
The rear junction box is located on the RH (right-hand) side of the luggage compartment, behind the side trim casing. The rear junction box contains blade fuses and relays, and receives its main power supply from the CJB (central junction box).