The satellite navigation head unit is located in the center console, and also incorporates a radio and a front loading single CD player. Some vehicles are also fitted with a CD auto-changer.
The system operates when the ignition switch is turned to the 'auxiliary' position. For more information on audio system features and functionality, refer to the Audio and Navigation System handbook. For detailed information on satellite navigation operation, refer to NAVIGATION SYSTEM - DESCRIPTION & OPERATION .
Note. The supporting circuit diagram shows the Navigation system fitted with optional Harmon Kardon speakers. A system fitted with standard speakers will not have a power amplifier or rear high range speakers fitted. The connector numbers applied to the high range speakers differ between the two speaker systems. For more information, refer to ' Speakers - Standard ' and ' Speakers - Harmon Kardon '.
Feed from the positive battery terminal (C0192) is supplied to fusible link 1 and fusible link 4 of the engine compartment fuse box (C0632) on an R wire. Fusible link 4 (C0574) is connected to fuse 12 of the passenger compartment fuse box (C0587) by an NW wire. Fuse 12 (C0584) provides a constant battery feed to the following on P then PK wires
- The head unit (C0921)
- The CD autochanger (C0941)
- The power amplifier (C0491).
Fusible link 1 is connected in series with fusible link 2, which is also located in the engine compartment fuse box. Fusible link 2 (C0571) is connected to the ignition switch (C0028) by an NR wire. When the ignition switch is turned to the 'auxiliary' position, current flows across the switch (C0028) to fuse 27 of the passenger compartment fuse box (C0588) on a PS wire.
Fuse 27 (C0580) provides an auxiliary ignition feed to the head unit (C0921) and the remote interface unit (C1897) on LGW wires.
The head unit (C0921), CD autochanger (C0941), power amplifier (C0491), and the remote interface unit (C1897) are all earthed on B wires.
See also:
• NAVIGATION SYSTEM - DESCRIPTION & OPERATION