Land Rover Defender 2002 Electrical Library Rover Manual

DESCRIPTION AND OPERATION
4.48DEFENDER 02MY
DIRECTION INDICATOR/HAZARD WARNING LAMPS
Description
General
The indicators are controlled via the LH steering column switch and operate when the 
ignition switch is in position II.
The hazard warning lamp switch is mounted on the centre fascia module. When the switch 
is pressed, the LH and RH indicator lamps, the switch, and the instrument pack mounted 
warning lamp all flash simultaneously.
Hazard warning lamp operation is not dependent on ignition switch...

DESCRIPTION AND OPERATION
DEFENDER 02MY 4.49
Direction Indicator Lamps
LH Turn
When the column switch is moved to the LH position, current flows across the switch (C1739 
on LHD, C1042 on RHD) to the following on GR wires: 

The LH front direction indicator lamp (C0001)

The LH front side repeater lamp (C0013)

The LH rear direction indicator lamp (C0928 on 90 and 100 vehicles, C1745 on 130 
vehicles)

The trailer socket (C0499)

The LH indicator warning lamp located in the instrument pack (C0233).
All...

DESCRIPTION AND OPERATION
4.50DEFENDER 02MY
Hazard Warning Lamps
When the hazard warning switch is pressed, current flows across the switch (C0096) to the 
hazard warning relay (C0547) on a LG wire. The energised hazard warning relay (C0547) 
provides a feed back to the hazard warning switch (C0096) on an LGN wire. The hazard 
warning switch (C0096) is now able to provide a feed to both the LH and RH direction 
indicator circuits simultaneously as follows:

To the LH front direction indicator lamp...

DESCRIPTION AND OPERATION
DEFENDER 02MY 4.51
INTERIOR LAMPS – NON ANTI-THEFT ALARM
Description
General
Illumination of the front and rear interior lamps is controlled by the door switches. When any 
of the side doors are opened, both lamps will illuminate. The lamps will extinguish when all 
side doors are closed. The interior lamps can be switched on or off manually by moving the 
three position switch located on the lamp assembly to the required position.
Operation
Power Distribution
Feed from the...

DESCRIPTION AND OPERATION
4.52DEFENDER 02MY
Rear Interior Lamp – 90 Models
With the lamp switch in the central position, current flows across the bulb and switch 
contacts (C0356) to the following:

To the RH front door switch (C0265) on a PW wire

To the LH front door switch (C0106) on a PW wire

To the RH rear door switch (C0108) on a PW then PU wire

To the LH rear door switch (C0104) on a PW then PU wire.
When any of the doors are opened, the relevant door switch contacts close creating an earth...

DESCRIPTION AND OPERATION
DEFENDER 02MY 4.53
INTERIOR LAMPS – ANTI-THEFT ALARM
Description
General
On vehicles fitted with an anti-theft alarm system, illumination of the front and rear interior 
lamps is controlled by the anti-theft alarm ECU. The anti-theft alarm ECU monitors the 
condition of all the doors, illuminating the interior lamps when any door (including the tail 
door) is opened. The anti-theft alarm ECU also features a time-out function, which 
extinguishes the lamps after 8 minutes if any...

DESCRIPTION AND OPERATION
4.54DEFENDER 02MY
Door Switches
The anti-theft alarm ECU (C1979 on LHD, C0061 on RHD) monitors the condition of the door 
switches as follows:

The driver door switch (C0266 on LHD, C2007 on RHD) on an SW wire

The front passenger door switch (C0265 on LHD, C0106 on RHD) on a PU wire

The LH rear door switch (C0104) on a PU wire

The RH rear door switch (C0108) on a PU wire

The tail door switch (C0615) on a PU wire – 90 Station Wagons only

The tail door switch (C1992) on a PU...

DESCRIPTION AND OPERATION
DEFENDER 02MY 4.55
Rear Interior Lamp – 90 Models
With the lamp switch in the central position, current flows across the bulb and switch 
contacts (C0356) to the anti-theft alarm ECU (C1979 on LHD, C0061 on RHD) on a PW wire. 
When the anti-theft alarm ECU registers an earth path via the door switches, it provides an 
earth path to illuminate the front interior lamp.
With the lamp switch in the On position, current flows across the bulb and switch contacts 
(C1209) to earth on a...

DESCRIPTION AND OPERATION
4.56DEFENDER 02MY
INTERIOR ILLUMINATION
Description
General
With the lighting switch in either the side lamp or headlamp position, the interior controls and 
gauges are illuminated so they can be easily located during night driving. Interior illumination 
is not controlled by the ignition switch.
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...

DESCRIPTION AND OPERATION
DEFENDER 02MY 4.57
When the lighting switch is turned to the side or headlamp position, fuse 20 (C0581) 
provides a feed to the following on RO wires:

The cigar lighter (C0074)

The headlamp levelling switch (C0093)

The heated front screen switch (C0131)

The LH seat heat switch (C0250)

The RH seat heat switch (C0249)

The rear fog lamp switch (C0064 on LHD, C1741 on RHD)

The RH front window switch (C0242)

The LH front window switch (C0321)

The heated rear window switch...