Range Rover. Manual — part 312
ELECTRICAL
29
DESCRIPTION AND OPERATION
C255 (up to 99MY)
C1279 (from 99MY)
Connector/
Pin No.
Description
Input/Output
1
Rear fog lamps on/off
Input
2
Not used
-
3
Key in ignition switch
Input
4
Clutch pedal depressed (manual models)
Input
5
Not used
-
6
RH front seat heater on/off
Input
7
Hazard warning lamp telltale
Output
8
Diagnostic K line
Input/Output
9
Alternator charging (engine running)
Input
10
Road speed (to ATC ECU)
Output
11
Rear screen heater on/off
Input
12
Immobiliser passive coil supply
Output
13
Hazard warning on/off
Input
14
Cruise control on/off
Input
15
LH front seat heater on/off
Input
16
Not used
-
17
Diagnostic L line
Input/Output
18
Power to cruise control ECU, switch telltale and
inverter/converter
Output
19
Not used
-
20
Road speed (to cruise control ECU)
Output
86
ELECTRICAL
NEW RANGE ROVER
30
DESCRIPTION AND OPERATION
C256 (up to 99MY)
C1280 (from 99MY)
Pin No.
Description
Input/Output
1
Instrument pack serial data bus (direction)
Output
2
Instrument pack serial data bus (clock)
Output
3
Instrument pack serial data bus (data, duplicate)
Output
4
Instrument dimming supply
Input
5
Instrument pack serial data bus (earth, duplicate)
Output
6
Rear fog lamp switch telltale
Output
7
Security LED
Output
8
Engine speed (to instrument pack)
Output
9
Instrument pack serial data bus (direction, duplicate)
Output
10
Instrument pack serial data bus (clock, duplicate)
Output
11
Instrument pack serial data bus (data)
Output
12
Instrument dimming supply
Input
13
Ignition switch position I
Input
14
Instrument pack serial data bus (earth)
Output
15
Instrument pack audible warning
Output
16
Road speed (to instrument pack)
Output
ELECTRICAL
31
DESCRIPTION AND OPERATION
C257 (up to 99MY)
C1278 (from 99MY)
Pin No.
Description
Input/Output
1
Rear screen washer on/off
Input
2
RH direction indicators on/off
Input
3
Headlamp dipped beam on/off
Input
4
Windscreen washer on/off
Input
5
Front wipers switch input 2
Input
6
Ignition switch position III
Input
7
LH direction indicators on/off
Input
8
Headlamp flash
Input
9
Side lamps on/off
Input
10
Front fog lamp switch telltale
Input
11
Wiper time delay
Input
12
Headlamps main beam on/off
Input
13
Rear wiper on/off
Input
14
Front fog lamps on/off
Input
15
Front wipers switch input 3
Input
16
Front wipers switch input 1
Input
17
Horn on/off
Input
18
Fuel filler flap release on/off
Input
19 and 20
Not used
-
86
ELECTRICAL
NEW RANGE ROVER
32
DESCRIPTION AND OPERATION
C258 (up to 99MY)
C1276 (from 99MY)
Pin No.
Description
Input/Output
1
Cruise control pump supply
Output
2
Illumination (clock, fascia switches, ATC ECU,
instrument pack and radio cassette player)
Output
3
Illumination (front footwell lamps and ignition switch)
Output
4
Brakes on/off
Input
5
Illumination (glovebox lamp)
Output
6
Auxiliary power supply (ATC ECU and radio cassette
player)
Output
7
Battery power supply (clock, radio cassette player and
instrument pack)
Output
8
Ignition switch position II
Input
9
Ignition power supply (brakes, PAS, air suspension
switches and ATC ECU)
Output
10
Ignition key inhibit - up to 97.5MY
Output
C323 (up to 99MY)
C1284 (from 99MY)
Pin No.
Description
Input/Output
1
Ignition power supply (rear view mirror dip)
Output
2
Battery power supply (RH front door outstation)
Output
3
Trailer LH tail lamp
Output
4
Battery power supply (RH rear ICE amplifier)
Output
5
RH rear window down
Output
6
RH rear door marker (puddle) lamp
Output
7
Fuel filler flap release
Output
8
RH rear window anti-trap supply
Output
9
Sunroof anti-trap supply
Output
10
RH rear window up
Output
11
RH rear window switch illumination
Output
12
Battery power supply (RH front door outstation
(window))
Output
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