Land Rover Range Rover Electrical Library Lm 2nd Edition Rover Manual

DESCRIPTION AND OPERATION
4.76RANGE ROVER
Bi-Xenon System
Power Distribution
Feed from the positive battery terminal (C0192) is supplied to fuse 53, fusible link 3, and 
fusible link 4 on an R wire. All are located in the passenger compartment fuse box. Fusible 
link 3 (C0589) and fusible link 4 (C0590) provide constant battery feeds to the Light Check 
Module (LCM) (C0937 & C2039 respectively) on a pair of R wires. The LCM (C2039) is 
earthed on an N wire.
Fuse 53 (C0583) provides a constant battery...

DESCRIPTION AND OPERATION
RANGE ROVER 4.77
Headlamp Dipped Beam
In addition to the lamps outlined in the side lamps section, the LCM will provide feeds to the 
following lamps if it detects that headlamp dipped beam has been selected:

To the RH headlamp dipped beam bulb (C0011) on a YU wire

To the LH headlamp dipped beam bulb (C0009) on a WG wire.
Both are earthed on N wires.
Headlamp Main Beam
In addition to the lamps outlined in the side lamps and headlamp dipped beam sections, the 
LCM will provide...

DESCRIPTION AND OPERATION
4.78RANGE ROVER
AUTOMATIC HEADLAMP LEVELLING
DESCRIPTION
General
Automatic headlamp levelling is only fitted to vehicles with bi-xenon headlamps. The system 
adjusts the vertical positioning of the headlamps to provide optimum headlamp beam 
position for maximum driving visibility and preventing glare to oncoming drivers.
WARNING: The bi-xenon headlamp system generates up to 28000 volts and contact 
with this voltage could lead to fatality. Ensure the headlamps are switched off...

DESCRIPTION AND OPERATION
RANGE ROVER 4.79
ABS ECU
The ABS ECU (C0506) provides a vehicle speed signal to the headlamp levelling ECU 
(C1543) on a YW wire. This allows the headlamp levelling ECU to monitor the acceleration 
of the vehicle and adjust the vertical position of the headlamps accordingly.
RH Front Height Sensor
The headlamp levelling ECU (C1543) provides a 5V reference feed to the RH front height 
sensor (C1697) on a WB wire, and provides an earth path on a WN wire. The height sensor 
(C1697)...

DESCRIPTION AND OPERATION
4.80RANGE ROVER
FOG LAMPS
DESCRIPTION
General
Operation of both the front and rear fog lamps is controlled by the Light Check Module 
(LCM). The front fog lamps are only active when the ignition switch is in the ignition position 
and the fascia mounted rotary lighting switch is in the side or headlamp position. 
When the lighting switch is in the side lamp position, the rear fog lamps will only operate if 
the front fog lamps are operational. If the lighting switch is in the...

DESCRIPTION AND OPERATION
RANGE ROVER 4.81
Rear Fog Lamps
Power Distribution
Feed from the positive battery terminal (C0192) is supplied to fusible link 3 and fuse 53 of 
the passenger compartment fuse box (C0632) on an R wire. Fusible link 3 (C0589) provides 
a constant battery feed to the LCM (C0937) on an R wire.
Fuse 53 (C0583) provides a constant battery feed to the ignition switch (C0099 on Td6 
vehicles, C0028 on V8 vehicles) on an R wire. When the ignition switch is turned to the 
auxiliary...

DESCRIPTION AND OPERATION
4.82RANGE ROVER
DIRECTION INDICATOR/HAZARD WARNING LAMPS
DESCRIPTION
General
Operation of the direction indicator lamps is controlled by the column mounted switch via the 
Light Check Module (LCM). The direction indicator lamps operate when the ignition switch 
is in either the auxiliary or ignition positions.
The front direction indicator lamps are located within the side lamp assemblies, outboard of 
the headlamps. The rear direction indicator lamps are located within the tail...

DESCRIPTION AND OPERATION
RANGE ROVER 4.83
RH Turn
The LCM (C2040) monitors the condition of the column mounted direction indicator switch 
(C1832) by providing a feed on an NB wire. If a RH turn is selected, the LCM provides the 
following outputs:

From the LCM (C0937) to the RH front direction indicator lamp (C0002) on a UN wire.

From the LCM (C2039) to the RH rear direction indicator lamp (C0125) on a UN wire.

From the LCM (C0937) to the RH rear side repeater lamp (C0012) on a UY wire.
All are...

DESCRIPTION AND OPERATION
4.84RANGE ROVER
INTERIOR LAMPS
DESCRIPTION
General
Operation of the interior lamps is controlled by the Body Control Unit (BCU) which is located 
beneath the front passenger seat.
The interior lamps have two modes of operation; automatic or manual. In the automatic 
mode the interior lamp functionality is controlled by the BCU on receipt of various input 
signals. In manual mode, the lamps can be switched on and off using the non-latching switch 
adjacent to the front interior...

DESCRIPTION AND OPERATION
RANGE ROVER 4.85
Body Control Unit (BCU)
The BCU (C0662) monitors the condition of all four doors and provides feeds to the following 
lamps via the passenger compartment fuse box on RU wires if any are opened:

The RH front footwell lamp (C0076)

The LH front footwell lamp (C0077)

The RH front sill lamp (C1794)

The LH front sill lamp (C1795)

The LH rear puddle lamp (C2212)

The RH front puddle lamp (C2211)

The RH rear puddle lamp (C2212)

The LH front puddle lamp (C2210)...