L322 Range Rover System Description and Operation
BODY CONTROL UNIT
DESCRIPTION AND OPERATION
86-3-7
BCU Harness Connector C0661 Pin Details
BCU Harness Connector C0662 Pin Details
Pin No.
Description
Input/Output
1
Not used
–
2
Bonnet switch
Input
3
Not used
–
4
Rapid tyre deflation signal
Input
5
Alarm trigger from volumetric sensor
Input
6 and 7
Not used
–
8
Alarm trigger from tilt sensor
Input
9
Not used
–
10
Upper tail door external release switch
Input
11
Upper tail door internal release switch
Input
12
RH (RHD) or LH (LHD) rear window anti-trap sensor
Input
13
SRS crash signal
Input
14
Not used
–
15
Windscreen wipers on
Output
16
Windscreen wipers stage 2
Output
17
Headlamp wash/wipe relay
Output
18
Not used
–
19
Alarm LED
Output
20
Alarm arm/disarm signal
Output
21
Not used
–
22
Lower tail door release relay
Output
23
Road speed
Input
24
LH (RHD) or RH (LHD) rear window anti-trap sensor
Input
25
Windscreen wipers delay switch
Input
26
Ground
–
Pin No.
Description
Input/Output
1
Ground
–
2
RH (RHD) or LH (LHD) rear window motor open
Output
3
Upper tail door release actuator
Output
4
Battery power supply
Input
5
LH (RHD) or RH (LHD) rear window motor open
Output
6
Lock rear doors and fuel filler flap
Output
7 and 8
Not used
–
9
Servotronic activation
Output
10
Battery power supply
Input
11
Servotronic measurement resistor
Input
12
RH (RHD) or LH (LHD) rear window motor close
Output
13
Superlock rear doors and fuel filler flap
Output
14
Unlock rear doors and fuel filler flap
Output
15
LH (RHD) or RH (LHD) rear window motor close
Output
16
Not used
–
17
Alarm activation
Output
18
Windscreen washer pump
Output
19
Load disconnection
Output
20
Interior lamps
Output