Description - engine management (ENGINE MANAGEMENT SYSTEM - V8) (page 5 of 43)

ENGINE MANAGEMENT SYSTEM - V8

18-2-10 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

Pin out details connector C0636

Pin No.

Function

Signal type

Reading

1

Injector cylinder number 2

Output

Switch to earth

2

Injector cylinder number 5

Output

Switch to earth

3

Purge valve

Output, signal

PWM 12-0V

4

SAI vacuum solenoid valve (NAS vehicles from 2000MY 
only)

Output

Switch to earth

5

Not used

-

-

6

Fuel tank pressure sensor (NAS vehicles with vacuum type, 
EVAP system leak detection only)

Earth

0V

7

MAF sensor 5V supply

Output, reference

5V

8

Not used

-

-

9

MAF sensor earth

Earth

0V

10

TP sensor 5V supply

Output, reference

5V

11

Not used

-

-

12

Not used

-

-

13

Not used

-

-

14

Injector cylinder number 7

Output

Switch to earth

15

Injector cylinder number 6

Output

Switch to earth

16

SAI pump relay (NAS vehicles from 2000MY only)

Output

Switch to earth

17

CMP sensor

Earth

0V

18

Low range switch (manual transmission only)

Input, signal

Active low

19

Not used

-

-

20

CMP signal

Input, signal

Digital switch 0-12V

21

ECT sensor

Earth

0V

22

Coolant temperature signal

Input, signal

Analogue 0-5V

23

MAF sensor signal

Input, signal

Analogue 0-5V

24

TP sensor signal

Input, signal

Analogue 0-5V

25

TP sensor earth

Earth

0V

26

Not used

-

-

27

Injector cylinder number 3

Output

Switch to earth

28

Injector cylinder number 8

Output

Switch to earth

29

Hill decent control output

Output, signal

PWM 0-12V

30

EVAP canister vent solenoid (CVS) valve (NAS vehicles with 
vacuum type, EVAP system leak detection only)

Output

Switch to earth

30

Leak detection pump solenoid (NAS vehicles with positive 
pressure type, EVAP system leak detection only)

Output

Switch to earth

31

A/C condenser fan

Output

Switch to earth

32

CKP sensor signal

Input, signal

Analogue, 0-300V peak

33

Not used

-

-

34

IAT sensor signal

Input, signal

Analogue 0-5V

35

KS, RH bank earth

Earth

0V

36

KS, RH bank signal

Input, signal

Analogue

37

Not used

-

-

38

Not used

-

-

39

Not used

-

-

40

Injector cylinder number 4

Output

Switch to earth

41

Injector cylinder number 1

Output

Switch to earth

42

Idle air control valve open

Output, signal

PWM 12-0V

43

Idle air control valve close

Output, signal

PWM 12-0V

44

ECT sensor signal

Output, signal

PWM 0-12V