ENGINE MANAGEMENT SYSTEM - V8
Connector 4 (C0637): This connector contains 40 pins and facilitates use of TestBook via the Diagnostic connector.
Also contained in this connector is the Malfunction Indicator Lamp (MIL), this instrument panel lamp informs the driver
of concerns within the engine management system.
Pin out details connector C0637
Pin No.
Function
Signal type
Reading
1
2
3
4
5
6
7
8
9
Not used
Not used
Not used
Not used
Not used
Not used
Not used
Low fuel level
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Input, signal
Output, reference
Active high
5V
Fuel tank pressure sensor (NAS vehicles with
vacuum type, EVAP system leak detection
capability only)
10
11
12
Not used
Not used
-
-
-
-
Analogue fuel level (NAS vehicles with positive
pressure type, EVAP system leak detection only)
Input, signal
0-5V
13
14
Not used
-
-
Fuel tank pressure sensor (NAS vehicles with
vacuum type, EVAP system leak detection
capability only)
Input, signal
Analogue 0-5V
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
Not used
-
-
ATC compressor request
Engine speed output
Not used
Input, signal
Active low
Output, signal
PWM 0-5V
-
-
Not used
-
-
Malfunction indicator lamp 'ON'
Not used
Output
Switched earth
-
-
Vehicle speed signal (VSS)
Not used
Input, signal
PWM 0-12V
-
-
Not used
-
-
Not used
-
-
Not used
-
-
Not used
-
-
Not used
-
Output
-
-
ATC compressor relay
Not used
Switched earth
-
Positive pressure type EVAP system heater (02MY
vehicles only)
Output, drive
Switched earth
32
33
34
35
36
37
38
39
40
Diagnostic connector K-line
Immobiliser serial W link
Rough road signal
Not used
Bi-directional
Input, signal
Input, signal
-
Serial 0-12V
Serial 0-12V
PWM 0-12V
-
CAN data bus 'high line'
CAN data bus 'low line'
ATC stand by
Bi-directional
Bi-directional
Input, signal
-
5-2.5V
0-2.5V
Active low
Not used
-
-
Not used
-
18-2-12
DESCRIPTION AND OPERATION
| Categories | Land Rover Defender, Land Rover Discovery II, Range Rover |
|---|---|
| Tags | Land Rover |
| Model Year | 1999 |
| Download File |
|
| Document Type | Workshop Manual |
| Language | English |
| Product Name | Discovery Series II |
| Product Brand | Land Rover |
| Document File Type | |
| Publisher | landrover.com |
| Wikipedia's Page | http://en.wikipedia.org/wiki/Land_Rover |
| Copyright | Attribution Non-commercial |
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