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Communications Network - Description & Operation: Notes

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2006 Jaguar XKR, 2006 Jaguar XK8, 2005 Jaguar XKR, 2005 Jaguar XK8, and 2004 Jaguar XKR. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Junction Boxes
GJ0002805Courtesy of JAGUAR CARS, INC.
Item Number Description
1 Auxiliary junction box
2 Engine control module (ECM) junction box - right-hand drive vehicles
3 Engine control module (ECM) junction box - left-hand drive vehicles
4 Central junction box (CJB) right-hand
5 Battery junction box (BJB)
6 High power protection module
7 Central junction box (CJB) left-hand

There are six fusebox assemblies per vehicle, five of which have conventional, replaceable fuses. The High Power Protection Module does not have conventional fuses.

Two Engine Control Module (ECM) Junction Box is shown. Only one is fitted (LHD or RHD) to any vehicle, on the opposite side to the pedal box.

The High Power Protection Module comprises of two fusible links to protect the starting circuit and the battery positive supply to the other fuse-boxes.