Range Rover. Manual — part 87
LAND ROVER V8
15
DESCRIPTION AND OPERATION
18-pin black connector (C509):
This connector is used primarily for ECM power and earth connections.
NOTE: Voltages and other measurements given are approximations only. Actual values will
depend on particular specification and will be affected by accuracy and calibration of the
measurement tool used and impedances caused by harness wiring etc.
ECM pin details for Connector C509:
Pin No.
Description
Input/Output
Voltage
1
Coil driver - Cylinders 5 & 8
Output
0 - 12V
2
Not used
-
-
3
Not used
-
-
4
Throttle Position Sensor
Output
5V supply
5
ECM to chassis ground
Ground
0V
6
Not used
-
-
7
Main relay supply
Input
0 - 12V
8
Ignition sense
Input
0 - 12V
9
ECM to chassis ground
Ground
0V
10
ECM to chassis ground
Ground
0V
11
Crankshaft (CKP) sensor -ve
Ground
0V
12
Crankshaft (CKP) sensor +ve
Analogue input
18V (average)
at 480Hz
13
Coil driver - Cylinders 2 & 3
Output
0 - 12V
14
Coil driver - Cylinders 1 & 6
Output
0 - 12V
15
Coil driver - Cylinders 4 & 7
Output
0 - 12V
16
ECM to chassis ground
Ground
0V
17
Main relay control
Output
switched to
ground
18
Not used
-
-
19
FUEL SYSTEM
NEW RANGE ROVER
16
DESCRIPTION AND OPERATION
36-pin red connector (C507):
This connector is used primarily for sensor inputs to the ECM.
NOTE: Voltages and other measurements given are approximations only. Actual values will
depend on particular specification and will be affected by accuracy and calibration of the
measurement tool used and impedances caused by harness wiring etc.
ECM pin details for Connector C507:
Pin No.
Description
Input/Output
Voltage
1
Rough road detected
Input
0 -12V
2
Camshaft position (CMP) sensor
Input (2 pulses per
engine revolution)
12V (average)
3
Not used
-
-
4
Transfer box (Low range detected)
Input
0 - 12V
5
Not used
-
-
6
Not used
-
-
7
Fuel level
Input (out of range and
validity check only)
0 - 12V
8
HO
2
S Bank B Upstream
Input
0V (Rich) - 5V
(Lean)
9
Not used
-
-
10
Knock sensor ground
Ground
0V
11
Knock sensor A
Input
Voltage signal
proportional to
level of knock
detected
12
Knock sensor B
Input
Voltage signal
proportional to
level of knock
detected
13
Air temperature sensor
Input
1 k-ohm to 1.3
k-ohm at 40
°
C
(140
°
F)
14
Coolant temperature sensor
Input
4.7V at -30
°
C
(-22
°
F) to
0.25V at 130
°
C
(266
°
F); 2.0V
at 40
°
C (104
°
F)
15
Throttle position sensor
Input
0 to 5V (0.6V at
idle; 4.5V
typical max.)
16
Mass air flow (MAF) Sensor
Analogue input
0 to 5V (1.4V at
idle)
17
HO
2
S sensor Bank A Downstream
Input
0V (Rich) - 5V
(Lean)
LAND ROVER V8
17
DESCRIPTION AND OPERATION
ECM pin details for Connector C507 continued:
Pin No.
Description
Input/Output
Units
18
Park / Neutral Switch
Input
0V
(Park/Neutral) -
12V (Drive)
19
Not used
-
-
20
Diagnostic ’L’ Line
Bi-directional
Serial 0 - 12V
21
Heated front windshield
Output
0V or 12V
22
Not used
-
-
23
Diagnostic ’K’ Line
Bi-directional
Serial 0 - 12V
24
Not used
-
-
25
Not used
-
-
26
Immobilization
Input
Serial 0 - 12V
(366 baud)
27
Vehicle speed
Input
PWM 0 - 12V
(8000 pulses /
mile)
28
A/C request
Output
0V or 12V
29
Condenser cooling fan request
Input
0V or 12V
30
Fuel Pressure sensor (from 97.5 MY)
Input
1 k-ohm to 1.3
k-ohm at 40
°
C
(140
°
F)
31
Ignition Retard Request (EAT ECU)
Input
12V PWM
32
HO
2
S sensor
Ground
0V
33
HO
2
S sensor Bank B Downstream
Input
0V (Rich) - 5V
(Lean)
34
HO
2
S sensor Bank A Upstream
Input
0V (Rich) - 5V
(Lean)
35
Fuel temperature sensor
Input
1 k-ohm to 1.3
k-ohm at 40
°
C
(140
°
F)
36
Sensor ground
Ground
0V
19
FUEL SYSTEM
NEW RANGE ROVER
18
DESCRIPTION AND OPERATION
36-pin black connector (C505):
This connector is used primarily for outputs to actuators and sensors driven by the ECM.
NOTE: Voltages and other measurements given are approximations only. Actual values will
depend on particular specification and will be affected by accuracy and calibration of the
measurement tool used and impedances caused by harness wiring etc.
ECM pin details for Connector C505:
Pin No.
Description
Input/Output
Units
1
A/C grant
Output
0V or 12V
2
Fuel used
Output
Serial 0 - 12V
(12000 pulses
per litre)
3
Condenser cooling fan
Output drive
Switch to
ground
4
Not used
-
-
5
Not used
-
-
6
Canister vent solenoid (from 97.5 MY)
Output
0 - 12V
7
Not used
-
-
8
Not used
-
-
9
Not used
-
-
10
Not used
-
-
11
Injector - Cylinder 3
Output
0 - 12V
12
Not used
-
-
13
Injector - Cylinder 1
Output
0 - 12V
14
Not used
-
-
15
IACV-D Stepper motor
Output
stepped by
sequentially
changing
voltage polarity
16
IACV-B Stepper motor
Output
stepped by
sequentially
changing
voltage polarity
17
Injector - Cylinder 6
Output
0 - 12V
18
Injector - Cylinder 8
Output
0 - 12V
19
Purge valve
Output
0 - 12V (100
Hz)
20
Not used
-
-
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