Description (page 3 of 13)

RESTRAINT SYSTEMS

DESCRIPTION AND OPERATION

75-7

SRS DCU Harness Connector C0256 Pin Details

Pin No.

Description

Input/Output

1

RH front seat belt pretensioner positive

Output

2

RH front seat belt pretensioner negative

Input

3

LH front seat belt pretensioner negative

Input

4

LH front seat belt pretensioner positive

Output

5

Auxiliary power

Input

7

SRS warning lamp

Output

8

Front passenger seat belt buckle switch (where fitted)

Input

9

K bus

Input/Output

10

Driver airbag squib 1 positive

Output

11

Driver airbag squib 1 negative

Input

12

Driver seat belt buckle switch (where fitted)

Input

13

Passenger airbag squib 1 negative

Input

14

Passenger airbag squib 1 positive

Output

15

Seat occupancy detection

Input

16

LH side airbag negative

Input

17

LH side airbag positive

Output

18

RH side airbag positive

Output

19

RH side airbag positive

Input

20

LH side impact sensor

Input

21

RH side impact sensor

Input

22 to 25

Not used

–

26

Driver airbag squib 2 negative

Input

27

Driver airbag squib 2 positive

Output

28

LH rear head airbag negative

Input

29

LH rear head airbag positive

Output

30 to 32

Not used

–

33

Passenger airbag squib 2 positive

Output

34

Crash signal

Output

35 to 39

Not used

–

40

Passenger airbag squib 2 negative

Input

41

RH rear head airbag negative

Input

42

RH rear head airbag positive

Output

43 and 44

Not used

–

45

LH front head airbag negative

Input

46

LH front head airbag positive

Output

47

RH front head airbag positive

Output

48

LH front head airbag positive

Input

49

Battery disconnect unit negative

Input

50

Battery disconnect unit positive

Output

51 to 75

Not used

–