GM Service Manual Online
For 1990-2009 cars only
Table 1: Accelerator Control and Adjuster
Table 2: Accelerator and Servo Control Module (ASM)
Table 3: Electronic Brake Control Module (EBCM)
Table 4: Traction Control Switch
Table 5: Wheel Speed Sensor (WSS) LF
Table 6: Wheel Speed Sensor (WSS) LR (V8 LS1 w/NW9)
Table 7: Wheel Speed Sensor (WSS) RF
Table 8: Wheel Speed Sensor (WSS) RR (V8 LS1 w/NW9)
Table 9: Wheel Speed Sensor Rear (V6 L36 or V8 LS1 w/o NW9)

Accelerator Control and Adjuster


Object Number: 68721  Size: CH

Connector Part Information

    • 1530-0027
    • 2 Way F Metri-Pack 280 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

WHT

560

Accelerator control and adjuster supply voltage

B

GRY

561

Accelerator control and adjuster ground

Accelerator and Servo Control Module (ASM)


Object Number: 235270  Size: CH

Connector Part Information

    • 1218-6485
    • 55 Way F (NAT)

Pin

Wire Color

Circuit No.

Function

1

PNK

739

Ignition 1 Voltage

2-21

--

--

Not used

22

WHT

560

Accelerator control and adjuster supply voltage

23

--

--

Not used

24

ORN

1540

Battery Positive Voltage

25

--

--

Not used

26

GRY

561

Accelerator control and adjuster ground

27

--

--

Not used

28

BLK/WHT

151

Ground

29-34

--

--

Not used

35

TAN/BLK

464

Delivered torque signal

36

--

--

Not used

37

ORN/BLK

463

Requested torque signal

38-39

--

--

Not used

40

DK BLU

417

TP sensor signal

41

GRY/BLK

596

5 volt reference

42

--

--

Not used

43

BLK

452

TP sensor ground

44-48

--

--

Not used

49

WHT

560

Accelerator control and adjuster supply voltage

50

--

--

Not used

51

ORN

1540

Battery positive voltage

52

--

--

Not used

53

GRY

561

Accelerator control and adjuster ground

54

--

--

Not used

55

BLK/WHT

151

Ground

56-88

--

--

Not used

Electronic Brake Control Module (EBCM)


Object Number: 231364  Size: CH

Connector Part Information

    • 1532-6390
    • 30 Way F GT 150 Series Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

1

BRN

882

Right rear wheel speed sensor signal (LS1 with NW9)

2

--

--

Not used

3

DK GRN

872

Right front wheel speed sensor signal (LS1 without NW9 and L36)

3

WHT

883

Right rear wheel speed sensor low reference

4

DK GRN

872

Right front wheel speed sensor signal (LSI with NW9)

5

TAN

833

Right front wheel speed sensor low reference

6

LT BLU

20

Stop lamp supply voltage

7

--

--

Not used

8

PNK

739

Ignition 1 voltage

9

TAN/BLK

464

Delivered torque signal (with NW9)

10

--

--

Not used

11

WHT

121

Engine speed signal (with NW9)

12

BLK

150

Ground

13

RED

302

Battery positive voltage

14

ORN

440

Battery positive voltage

15

BLK

651

Ground

16

--

--

Not used

17

BRN/WHT

1571

Traction control switch signal (with NW9)

18

PPL/WHT

1572

Service traction system indicator control

19

GRY/BLK

1687

Ignition retard signal (LS1 with NW9)

20

LT BLU

830

Left front wheel speed sensor signal

21

YEL

873

Left front wheel speed sensor low reference

22

BLK

884

Rear wheel speed sensor signal (LS1 without NW9 and L36)

22

BLK

884

Left rear wheel speed sensor signal (LS1 with NW9)

23

RED

885

Rear wheel speed sensor low reference (LS1 without NW9 and L36)

23

RED

885

Left rear wheel speed sensor low reference (LS1 with NW9)

24

--

--

Not used

25

LT BLU

1122

ABS/TCS Class 2 serial data

26

--

--

Not used

27

ORN/BLK

463

Requested torque signal (with NW9)

28-30

--

--

Not used

Traction Control Switch


Object Number: 304345  Size: CH

Connector Part Information

    • 1217-7195
    • 6 Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

PPL/WHT

1572

Service traction system indicator control

B

BRN

39

Ignition 1 voltage

C

GRY

8

Instrument panel lamp supply voltage - 1

D

--

--

Not used

E

BRN/WHT

1571

Traction control switch signal

F

BLK/WHT

451

Ground

Wheel Speed Sensor (WSS) LF


Object Number: 35437  Size: CH

Connector Part Information

    • 1205-2644
    • 2 Way F Metri-Pack 150 Sealed (GRY)

Pin

Wire Color

Circuit No.

Function

A

YEL

873

Left Front Wheel Speed Sensor Low Reference

B

LT BLU

830

Left Front Wheel Speed Sensor Signal

Wheel Speed Sensor (WSS) LR (V8 LS1 w/NW9)


Object Number: 35437  Size: CH

Connector Part Information

    • 1205-2644
    • 2 Way F Metri-Pack 150 Sealed (GRY)

Pin

Wire Color

Circuit No.

Function

A

RED

885

Left Rear Wheel Speed Sensor Low Reference

B

BLK

884

Left Rear Wheel Speed Sensor Signal

Wheel Speed Sensor (WSS) RF


Object Number: 35437  Size: CH

Connector Part Information

    • 1205-2644
    • 2 Way F Metri-Pack 150 Sealed (GRY)

Pin

Wire Color

Circuit No.

Function

A

YEL

833

Right Front Wheel Speed Sensor Low Reference

B

LT BLU

872

Right Front Wheel Speed Sensor Signal

Wheel Speed Sensor (WSS) RR (V8 LS1 w/NW9)


Object Number: 35437  Size: CH

Connector Part Information

    • 1205-2644
    • 2 Way F Metri-Pack 150 Sealed (GRY)

Pin

Wire Color

Circuit No.

Function

A

WHT

883

Right Rear Wheel Speed Sensor Low Reference

B

BRN

882

Right Rear Wheel Speed Sensor Signal

Wheel Speed Sensor Rear (V6 L36 or V8 LS1 w/o NW9)


Object Number: 35437  Size: CH

Connector Part Information

    • 1205-2644
    • 2 Way F Metri-Pack 150 Sealed (LT GRY)

Pin

Wire Color

Circuit No.

Function

A

BLK

884

Rear Wheel Speed Sensor Signal

B

WHT

885

Rear Wheel Speed Sensor Low Reference