ABS (page 2 of 2)

BRAKES

DESCRIPTION AND OPERATION

70-15

ABS ECU Connector Pin Details (From 2002 MY)

35

Not used

–

36

CAN bus 2 low (connection with ECM/EAT ECU)

Input/Output

37

CAN bus 2 high (connection with ECM/EAT ECU)

Input/Output

38 and 39

Not used

–

40

HDC relay coil

Output

41

Brake fluid level switch

Input

42

Not used

–

43

Battery power supply

Input

Pin No.

Description

Input/Output

1

Battery power supply (for return pump)

Input

2

Diagnostic ISO 9141 K line

Input/Output

3

Not used

–

4

Ignition power supply

Input

5

Not used

–

6

HDC switch

Input

7 and 8

Not used

–

9

Brake fluid level switch

Input

10

Not used

–

11

CAN bus 1 high (connection with instrument pack)

Input/Output

12

Not used

–

13

CAN bus 2 low (connection with ECM/EAT ECU)

Input/Output

14

Not used

–

15

CAN bus 1 low (connection with instrument pack)

Input/Output

16

System earth

–

17 to 23

Not used

–

24

Accelerometer earth

–

25

Not used

–

26

Accelerometer supply

Output

27 to 31

Not used

–

32

Battery power supply (for solenoid valves)

Input

33

Front RH ABS sensor earth

–

34

Front RH ABS sensor signal

Input

35

HDC relay coil

Output

36

Rear LH ABS sensor signal

Input

37

Rear LH ABS sensor earth

–

38

Brake switch (BLS contacts)

Input

39

Road speed signal

Output

40

Accelerometer signal

Input

41

Brake switch (BTS contacts)

Input

42

Rear RH ABS sensor earth

–

43

Rear RH ABS sensor signal

Input

44

CAN bus 2 high (connection with ECM/EAT ECU)

Input/Output

45

Front LH ABS sensor signal

Input

46

Front LH ABS sensor earth

–

47

System earth

–

Pin No.

Description

Input/Output