Communications Network - Description & Operation: Notes
| 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.