Land Rover Defender 2002 Electrical Library Rover Manual
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DESCRIPTION AND OPERATION 4.38DEFENDER 02MY Reverse Lamps Fuse 14 of the passenger compartment fuse box (C0580) provides an ignition feed to the reverse lamp switch (C0167) on an LGP then GY wire. The reverse lamp switch is a normally open switch. When reverse gear is selected, the switch contacts close, allowing current to flow from the switch (C0167) to the following: Defender 90 and 110 The LH reverse lamp (C0472 on LHD, C2122 on RHD) on a GN then W wire The trailer socket (C0942) on a GN wire. Defender 130 The LH reverse lamp (C2121) on a GN then W wire. The trailer socket (C0942) on a GN wire. All are earthed on B wires.
DESCRIPTION AND OPERATION DEFENDER 02MY 4.39 HEAD, SIDE AND TAIL LAMPS Description General The head, side and tail lamps are operated via the lighting switch located on the steering column. The lighting switch has two positions. Position I switches on the tail lamps, the number plate lamps, and the front side lamps. Position II additionally switches on the front headlamps. When the headlamps are on, the column switch can be used to switch between main and dipped beam. The headlamps can be flashed with the lighting switch in any position, by pulling the column switch towards the driver. Operation Td5 Power Distribution Feed from the positive battery terminal (C0192) is supplied to fusible link 1, fusible link 5, and fusible link 6 of the under seat fuse box (C0632) on an R wire. Fusible link 1 is connected in series with fuse 3, which is also located in the under seat fuse box. Fuse 3 (C0572) provides a constant battery feed to the column switch (C1739 on LHD, C1042 on RHD) on an NP wire. Fusible link 6 (C0571) provides a constant battery feed to the lighting switch (C1082 on LHD, C0041 on RHD) on an NU wire, and the dim dip resistor (C0014) on an NU then NW wire. Fusible link 5 (C0570) is connected to the ignition switch (C1043 on LHD, C0028 on RHD) by an NW wire. When the ignition switch is turned to the ignition position, current flows across the switch (C1732 on LHD, C0094 on RHD) to fuse 15 of the passenger compartment fuse box (C0580) on a W wire. Fuse 15 (C0580) provides an ignition feed to the headlamp relay (C0282) and the dim dip relay (C0048) on WG wires.
DESCRIPTION AND OPERATION 4.40DEFENDER 02MY Side Lamps When the lighting switch is moved to the side lamp position, current flows across the switch (C1082 on LHD, C0041 on RHD) to fuse 18 fuse 19 and fuse 20 of the passenger compartment fuse box (C0581) on an R wire. Fuse 18 (C0581) provides a feed to the following on RO wires: The RH front side lamp (C0537) The RH tail lamp (C0125 on 90 & 110 vehicles, C0489 on 130 vehicles) The trailer socket (C0499) All are earthed on B wires. Fuse 19 (C0581) provides a feed to the following on RB wires: The LH front side lamp (C0538) The LH tail lamp (C0121 on 90 & 110 vehicles, C0490 on 130 vehicles) The number plate lamp (C0138 on 90 & 110 vehicles, C0140 on 130 vehicles) The trailer socket (C0499) The side lamp warning lamp (C0233) located in the instrument pack. All are earthed on B wires. Fuse 20 (C0581) provides a feed to the dim dip relay (C0048) on an RO wire. Headlamp Dim Dip The dim dip relay (C0048) is provided an ignition feed from fuse 15 of the passenger compartment fuse box (C0580) on a WG wire. With the lighting switch in the side lamp position, the dim dip relay (C0048) is earthed on a B wire. Fusible link 6 of the under seat fuse box (C0571) provides a constant battery feed to the dim dip resistor (C0014) on an NU then NW wire. The dim dip resistor (C0014) provides a reduced feed to the dim dip relay (C0048) on an NG wire. The energised dim dip relay (C0048) provides a feed to fuse 22 and 23 of the passenger compartment fuse box on a UR wire. Fuse 22 (C0581) provides a reduced feed to the RH headlamp dipped beam bulb (C0011) on a UB wire. Fuse 23 (C0581) provides a reduced feed to the LH headlamp dipped beam bulb (C0009 on a UK wire. Both bulbs are earthed on B wires.
DESCRIPTION AND OPERATION DEFENDER 02MY 4.41 Headlamps The headlamp relay coil (C0282) is provided an ignition feed from fuse 15 of the passenger compartment fuse box (C0580) on a WG wire. The relay coil (C0282) is earthed on a B wire. When the lighting switch is moved to the headlamp position, current flows across the switch (C1082 on LHD, C0041 on RHD) to the headlamp relay switch (C0282) on a U wire. The energised headlamp relay (C0282) provides a feed to the column switch (C1739 on LHD, C1042 on RHD) and the dim dip relay (C0048) on U wires. NOTE: The feed on the U wire de-energises the dim dip relay. With the column switch in the dipped beam position, current flows across the switch (C1739 on LHD, C1042 on RHD) to the dim dip relay (C0048) on a UR wire. Current flows across the dim dip relay switch contacts to fuse 22 and fuse 23 of the passenger compartment fuse box (C0581) on a UR wire. Fuse 22 (C0581) provides a feed to the RH headlamp dipped beam bulb (C0011) on a UB wires. Fuse 23 (C0581) provides a feed to the LH headlamp dipped beam bulb (C0009) on a UK wire. Both bulbs are earthed on B wires. With the column switch in the main beam position, current flows across the switch (C1739 on LHD, C1042 on RHD) to fuse 24 and fuse 25 of the passenger compartment fuse box (C0581) on a UW wire. Fuse 24 (C0581) provides a feed to the RH headlamp main beam bulb (C0011) on a UO wire. Fuse 25 (C0581) provides a feed to LH headlamp main beam bulb (C0009) on a US wire. Both bulbs are earthed on B wires. When the column switch is in the main beam position, it also provides a feed to the main beam warning lamp located within the instrument pack (C0233). The warning lamp (C0230) is earthed on a B wire. Headlamp Flash Fuse 3 of the under seat fuse box (C0572) provides a constant battery feed to the column switch (C1739 on LHD, C1042 on RHD) on an NP wire. When the column switch is pulled forward against spring pressure, current flows across the column switch (C1739 on LHD, C1042 on RHD) to fuse 24 and fuse 25 of the passenger compartment fuse box (C0581) on a UW wire. Fuse 24 (C0581) provides a feed to the RH headlamp main beam bulb (C0011) on a UO wire. Fuse 25 (C0581) provides a feed to LH headlamp main beam bulb (C0009) on a US wire. Both bulbs are earthed on B wires. When the column switch is pulled forward against spring pressure, it also provides a feed to the main beam warning lamp located within the instrument pack (C0233). The warning lamp (C0230) is earthed on a B wire.
DESCRIPTION AND OPERATION 4.42DEFENDER 02MY 300 Tdi Power Distribution Feed from the positive battery terminal (C0192) is supplied to fusible link 1, fusible link 5, and fusible link 6 of the under seat fuse box (C0632) on an N wire. Fusible link 1 is connected in series with fuse 3, which is also located in the under seat fuse box. Fuse 3 (C0572) provides a constant battery feed to the column switch (C1739 on LHD, C1042 on RHD) on an NP wire. Fusible link 6 (C0571) provides a constant battery feed to the lighting switch (C1082 on LHD, C0041 on RHD) on an NU wire. Fusible link 5 (C0570) is connected to the ignition switch (C1043 on LHD, C0094 on RHD) by an NW wire. When the ignition switch is turned to the ignition position, current flows across the switch (C1732 on LHD, C0094 on RHD) to fuse 15 of the passenger compartment fuse box (C0580) on a W wire. Fuse 15 (C0580) provides an ignition feed to the headlamp relay coil (C0282) on a WG wire. The headlamp relay coil (C0282) is earthed on a B wire. Side Lamps When the lighting switch is moved to the side lamp position, current flows across the switch (C1082 on LHD, C0041 on RHD) to fuse 18 and fuse 19 of the passenger compartment fuse box (C0581) on an R wire. Fuse 18 (C0581) provides a feed to the following on RO wires: The RH front side lamp (C0537) The RH tail lamp (C0125 on 90 & 110, C0489 on 130 vehicles) The trailer socket (C0499). All are earthed on B wires. Fuse 19 (C0581) provides a feed to the following on RB wires: The LH front side lamp (C0538) The LH tail lamp (C0121 on 90 & 110 vehicles, C0490 on 130 vehicles) The number plate lamp (C0138 on 90 & 110 vehicles, C0140 on 130 vehicles) The trailer socket (C0499) The side lamp warning lamp (C0233) located in the instrument pack. All are earthed on B wires.
DESCRIPTION AND OPERATION DEFENDER 02MY 4.43 Headlamps When the lighting switch is moved to the headlamp position, current flows across the switch (C1082 on LHD, C0041 on RHD) to the energised headlamp relay (C0282) on a U wire. The headlamp relay (C0282) provides a feed to the column switch (C1739 on LHD, C1042 on RHD) on a U wire. With the column switch in the dipped beam position, current flows across the switch (C1739 on LHD, C1042 on RHD) to fuse 22 and fuse 23 of the passenger compartment fuse box (C0581) on a UR wire. Fuse 22 (C0581) provides a feed to the RH headlamp dipped beam bulb (C0011) on a UB wires. Fuse 23 (C0581) provides a feed to the LH headlamp dipped beam bulb (C0009) on a UK wire. Both bulbs are earthed on B wires. With the column switch in the main beam position, current flows across the switch (C1739 on LHD, C1042 on RHD) to fuse 24 and fuse 25 of the passenger compartment fuse box (C0581) on a UW wire. Fuse 24 (C0581) provides a feed to the RH headlamp main beam bulb (C0011) on a UO wire. Fuse 25 (C0581) provides a feed to LH headlamp main beam bulb (C0009) on a US wire. Both bulbs are earthed on B wires. When the column switch is in the main beam position, it also provides a feed to the main beam warning lamp located within the instrument pack (C0233). The warning lamp (C0230) is earthed on a B wire. Headlamp Flash Fuse 3 of the under seat fuse box (C0572) provides a constant battery feed to the column switch (C1739 on LHD, C1042 on RHD) on an NP wire. When the column switch is pulled forward against spring pressure, current flows across the column switch (C1739 on LHD, C1042 on RHD) to fuse 24 and fuse 25 of the passenger compartment fuse box (C0581) on a UW wire. Fuse 24 (C0581) provides a feed to the RH headlamp main beam bulb (C0011) on a UO wire. Fuse 25 (C0581) provides a feed to LH headlamp main beam bulb (C0009) on a US wire. Both bulbs are earthed on B wires. When the column switch is pulled forward against spring pressure, it also provides a feed to the main beam warning lamp located within the instrument pack (C0233). The warning lamp (C0230) is earthed on a B wire.
DESCRIPTION AND OPERATION 4.44DEFENDER 02MY HEADLAMP LEVELLING Description General The headlamp levelling feature is controlled via the four position rotary switch located on the fascia centre module. Headlamp levelling should be used under the following circumstances: 0 – Driver, or driver and front seat passenger only (no luggage) 1 – Driver and three passengers (no luggage) 2 – Driver, three passengers and full luggage compartment 3 – Driver only, full luggage compartment. Operation Power Distribution Feed from the positive battery terminal (C0192) is supplied to fusible link 6 of the under seat fuse box (C0632) on an N wire. Fusible link 6 (C0571) is connected to the lighting switch (C1082 on LHD, C0041 on RHD) by an NU wire. Headlamp Levelling Switch When the lighting switch is turned to the side or headlamp position, current flows across the switch (C1082 on LHD, C0041 on RHD) to fuse 20 of the passenger compartment fuse box (C0581) on an R wire. Fuse 20 (C0581) provides a feed to the headlamp levelling switch (C0093) on an RO wire. The switch (C0093) is earthed on a B wire. The headlamp levelling switch has four pre-set positions. At each of the four switch positions, the contacts in the switch connect to a different resistance value to provide one of four different output voltages.
DESCRIPTION AND OPERATION DEFENDER 02MY 4.45 RH Headlamp Levelling Motor Fuse 20 of the passenger compartment fuse box (C0581) provides a feed to the RH motor (C0070) on an RO wire. The headlamp levelling switch (C0093) provides a feed to the RH motor (C0070) on a UY wire. By comparing the voltage supplied by fuse 20 with the voltage supplied by the switch, the motor moves the headlamp to the required position. The motor (C0070) is earthed on a B wire. LH Headlamp Levelling Motor Fuse 20 of the passenger compartment fuse box (C0581) provides a feed to the LH motor (C0071) on an RO wire. The headlamp levelling switch (C0093) provides a feed to the LH motor (C0070) on a UY wire. By comparing the voltage supplied by fuse 20 with the voltage supplied by the switch, the motor moves the headlamp to the required position. The motor (C0071) is earthed on a B wire.
DESCRIPTION AND OPERATION 4.46DEFENDER 02MY FOG LAMPS Description General The rear fog lamps only operate when the headlamps are switched on, and the ignition switch is in position II. The non-latching fog lamp switch is mounted in the fascia console, and contains a tell-tale LED. The fog lamps are automatically switched off every time the ignition is turned off. Operation Power Distribution Feed from the positive battery terminal (C0192) is supplied to fusible link 5 and fusible link 6 of the under seat fuse box (C0632) on an N wire. Fusible link 6 (C0571) provides a constant battery feed to the lighting switch (C1082 on LHD, C0041 on RHD) on an NU wire. Fusible link 5 (C0570) is connected to the ignition switch (C1043 on RHD, C0028 on LHD) by an NW wire. When the ignition switch is turned to the ignition position, current flows across the switch (C1732 on LHD, C0094 on RHD) to fuse 15 of the passenger compartment fuse box (C0580) on a W wire. Fuse 15 (C0580) provides an ignition feed to the headlamp relay coil (C0282) on a WG wire. The relay coil (C0282) is earthed on a B wire. Fog Lamps When the lighting switch is moved to the headlamp position, current flows across the switch (C1082 on LHD, C0041 on RHD) to the headlamp relay (C0282) on a BU wire. Current flows across the closed relay switch contacts (C0282) to fuse 26 of the passenger compartment fuse box (C0581) on a U wire. Fuse 26 (C0581) provides a feed to the fog lamp ECU (C1724 on LHD, C0543 on RHD) on a UP wire. The fog lamp ECU (C1724 on LHD, C0543 on RHD) is earthed on a B wire.
DESCRIPTION AND OPERATION DEFENDER 02MY 4.47 When the fog lamp ECU (C1724 on LHD, C0543 on RHD) receives a feed from fuse 26, it provides a feed to the fog lamp switch (C0064 on LHD, C1741 on RHD) on a BS wire. When the fog lamp is pressed, the switch contacts close, and a momentary earth path is created on a B wire. Sensing this earth, the fog lamp ECU (C1724 on LHD, C0543 on RHD) provides a feed to the following on RY wires: The tell-tale LED (C0064) located in the fog lamp switch The warning lamp (C0233) located in the instrument pack The rear fog lamp (C0512 on LHD, C2119 on RHD) – 90 and 110 vehicles only The rear fog lamp (C0515 on LHD, C2120 on RHD) – 130 vehicles only The trailer socket (C0499). All except the trailer socket are earthed on B wires.