Range Rover. Manual - part 92

LAND ROVER V8

35

DESCRIPTION AND OPERATION

Connector 3 (C0636):

This connector contains 52 pins and is used for most sensor and actuator inputs and outputs. Sensor and actuator
control is vital to ensure that the ECM maintains adaptive strategy.

ECM pin details for Connector C0636:

Pin No.

Description

Input/Output

Voltage

1

Fuel injector cylinder number 2

Output drive

Switch to

ground

2

Fuel injector cylinder number 5

Output drive

Switch to

ground

3

Purge valve drive

Output signal

PWM 12 - 0V

4

SAI vacuum solenoid valve (NAS

vehicles from 2000MY only)

Output drive

Switch to

ground

5

Not used

-

-

6

Fuel tank pressure sensor (NAS

vehicles with Advanced EVAPS only)

Ground

0V

7

MAF sensor 5V supply

Output, reference

5V

8

Not used

-

-

9

MAF sensor earth

Ground

0V

10

Throttle pot sensor 5V supply

Output reference

5V

11

Not used

-

-

12

Not used

-

-

13

Not used

-

-

14

Fuel injector cylinder number 7

Output drive

Switch to

ground

15

Fuel injector cylinder number 6

Output drive

Switch to

ground

16

SAI pump relay (NAS vehicles from

2000MY only)

Output drive

Switch to

ground

17

Camshaft (CMP) sensor screen

Ground

0V

18

Not used

-

-

19

Not used

-

-

20

Camshaft (CMP) sensor signal

Input signal

Digital switch 0

- 12V

21

Coolant temperature (ECT) sensor

Ground

0V

22

Coolant temperature (ECT) sensor

signal

Input signal

Analogue 0 -

5V

23

MAF sensor signal

Input signal

Analogue 0 -

5V

24

Throttle potentiometer signal

Input signal

Analogue 0 -

5V

19

FUEL SYSTEM

NEW RANGE ROVER

36

DESCRIPTION AND OPERATION

ECM pin details for Connector C0636 continued:

Pin No.

Description

Input/Output

Voltage

25

Throttle potentiometer

Ground

0V

26

Not used

-

-

27

Fuel injector cylinder number 3

Output drive

Switch to

ground

28

Fuel injector cylinder number 8

Output drive

Switch to

ground

29

Not used

-

-

30

Canister vent solenoid (CVS) shut-off

valve (NAS vehicles with Advanced

EVAPs only)

Output drive

Switch to

ground

31

Air conditioner condenser fan drive

Output drive

Switch to

ground

32

Crankshaft (CKP) sensor signal

Input signal

Analogue 0 -

300V pk.

33

Not used

-

-

34

Intake air temperature (IAT) sensor

Input signal

Analogue 0 -

5V

35

Knock sensor RH bank

Ground

0V

36

Knock sensor RH bank

Input signal

Analogue 0V

37

Not used

-

-

38

Not used

-

-

39

Not used

-

-

40

Fuel injector cylinder number 4

Output drive

Switch to

ground

41

Fuel injector cylinder number 1

Output drive

Switch to

ground

42

Idle speed actuator open

Output signal

PWM 12 - 0V

43

Idle speed actuator close

Output signal

PWM 12 - 0V

44

Instrument Pack - Coolant sensor output

Output signal

PWM 0 - 12V

45

Crankshaft position (CKP) sensor

screen ground

Ground

0V

46

Crankshaft position (CKP) sensor

reference ground

Ground

0V

47

Not used

-

-

48

Knock sensor LH bank

Ground

0V

LAND ROVER V8

37

DESCRIPTION AND OPERATION

ECM pin details for Connector C0636 continued:

Pin No.

Description

Input/Output

Voltage

49

Knock sensor LH bank

Input signal

Analogue 0V

50

Not used

-

-

51

Not used

-

-

52

Not used

-

-

Connector 4 (C0637):

This connector contains 40 pins and facilitates the 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.

ECM pin details for Connector C0637:

Pin No.

Description

Input/Output

Voltage

1

Not used

-

-

2

Not used

-

-

3

Not used

-

-

4

Not used

-

-

5

Not used

-

-

6

Not used

-

-

7

Not used

-

-

8

Low fuel level

Input signal

Active high

9

Fuel tank pressure sensor (NAS

vehicles with Advanced EVAPs only)

Output reference

5V

10

ECM E-box cooling fan

Output drive

Switch to

ground

11

Not used

-

-

12

BeCM Low fuel level signal

Ground

12V - 0V (when

fuel level low)

13

Not used

-

-

14

Fuel tank pressure sensor (NAS

vehicles with Advanced EVAPs only)

Input signal

Analogue 0 -

5V

15

Not used

-

-

16

Air conditioning compressor

Input signal

Active low

17

Engine speed output

Output signal

PWM 0 - 5V

18

Not used

-

-

19

FUEL SYSTEM

NEW RANGE ROVER

38

DESCRIPTION AND OPERATION

ECM pin details for Connector C0637 continued:

Pin No.

Description

Input/Output

Voltage

19

Not used

-

-

20

MIL "ON"

Output drive

Switch to

ground

21

Not used

-

-

22

Road speed sensor

Input signal

PWM 0 - 12V

23

Not used

-

-

24

Not used

-

-

25

Not used

-

-

26

Not used

-

-

27

Not used

-

-

28

Not used

-

-

29

Air con compressor relay

Output drive

Switch to

ground

30

Not used

-

-

31

Not used

-

-

32

Diagnostic K-line

Bi-directional

Serial 0 - 12V

33

Immobiliser serial W link

Input signal

Serial 0 - 12V

34

Rough road signal

Input signal

PWM 0 -12V

35

Not used

-

-

36

CAN bus ’high line’

Bi-directional

5 - 2.5V

37

CAN bus ’low-line’

Bi-directional

0 - 2.5V

38

Air conditioning stand by relay

Input signal

Active low

39

Not used

-

-

40

Not used

-

-