Range Rover P38
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