GM Service Manual Online
For 1990-2009 cars only
Table 1: Electronic Brake Control Module (EBCM)
Table 2: Lateral Accelerometer Sensor
Table 3: Steering Wheel Position Sensor
Table 4: Traction Control Switch
Table 5: Wheel Speed Sensor (WSS) - LF
Table 6: Wheel Speed Sensor (WSS) - LR
Table 7: Wheel Speed Sensor (WSS) - RF
Table 8: Wheel Speed Sensor (WSS) - RR
Table 9: Yaw Rate Sensor

Electronic Brake Control Module (EBCM)


Object Number: 258242  Size: CH

Connector Part Information

    • C1 - 12160529
    • 6-Way F Metri-Pack 280 Series (BLK)
    • C2 - 12129228
    • 32-Way F Micro-Pack 100 Series (NAT)

Pin

Wire Color

Circuit No.

Function

A

PNK

1339

Ignition 1 Voltage

B

BLK

1651

Ground

C

GRY

1787

Variable Effort Steering Actuator High Effort Control

D

RED

1042

Battery Positive Voltage

E

RED

1042

Battery Positive Voltage

F

WHT

345

Variable Effort Steering Actuator Low Effort Control

1

--

--

Not Used

2

GRY

791

PWM Serial Data

3

WHT

852

ABS Indicator Signal

4

LT BLU

1764

Steering Wheel Position Signal B

5

--

--

Not Used

6

TAN/BLK

464

Delivered Torque Signal

7-8

--

--

Not Used

9

LT BLU

20

Stop Lamp Supply Voltage

10

PPL

1807

Class 2 Serial Data

11

GRY/BLK

1337

5 Volt Reference

12

BLK

884

Left Rear Wheel Speed Sensor Signal

13

WHT

883

Right Rear Wheel Speed Sensor Low Reference

14

TAN

833

Right Front Wheel Speed Sensor Low Reference

15

YEL

873

Left Front Wheel Speed Sensor Low Reference

16

--

--

Vent Tube

17

WHT

1765

Steering Wheel Position Marker Pulse Signal

18

WHT

790

PWM Serial Data

19

--

--

Not Used

20

LT GRN

1763

Steering Wheel Position Signal A

21

DK BLU

716

Yaw Rate Sensor Signal

22

LT BLU

715

Lateral Accelerometer Signal

23

LT BLU

1059

Steering Wheel Position Sensor Signal

24

BRN/WHT

1571

Traction Control Switch Signal

25

ORN/BLK

463

Requested Torque Signal

26

PPL

1807

Class 2Serial Data

27

LT GRN/BLK

1338

Low Reference

28

RED

885

Left Rear Wheel Speed Sensor Low Reference

29

BRN

882

Right Rear Wheel Speed Sensor Signal

30

DK GRN

872

Right Front Wheel Speed Sensor Signal

31

LT BLU

830

Left Front Wheel Speed Sensor Signal

32

--

--

Not Used

Lateral Accelerometer Sensor


Object Number: 68743  Size: CH

Connector Part Information

    • 12146121
    • 3-Way F Metri-Pack 150 Series (BRN)

Pin

Wire Color

Circuit No.

Function

A

GRY/BLK

1337

5 Volt Reference

B

LT BLU

715

Lateral Accelerometer Signal

C

LT GRN/BLK

1338

Low Reference

Steering Wheel Position Sensor


Object Number: 40427  Size: CH

Connector Part Information

    • 12064978
    • 6-Way F Micro-Pack 100 Series (GRY)

Pin

Wire Color

Circuit No.

Function

1

GRY/BLK

1337

5 Volt Reference

2

LT GRN/BLK

1338

Low Reference

3

LT GRN

1763

Steering Wheel Position Signal A

4

LT BLU

1764

Steering Wheel Position Signal B

5

--

--

Not Used

6

LT BLU

1059

Steering Wheel Position Sensor Signal

Traction Control Switch


Object Number: 306258  Size: CH

Connector Part Information

    • 12034341
    • 2-Way F Metri-Pack 280 Series (GRY)

Pin

Wire Color

Circuit No.

Function

A

BRN/WHT

1571

Traction Control Switch Signal

B

BLK/WHT

151

Ground

Wheel Speed Sensor (WSS) - LF


Object Number: 333039  Size: CH

Connector Part Information

    • 12052638
    • 2-Way F Metri-Pack 150 Series (LT GRY)

Pin

Wire Color

Circuit No.

Function

A

DK GRN

873

Left Front Wheel Speed Sensor Low Reference

B

TAN

830

Left Front Wheel Speed Sensor Signal

Wheel Speed Sensor (WSS) - LR


Object Number: 333039  Size: CH

Connector Part Information

    • 12052638
    • 2-Way F Metri-Pack 150 Series (LT GRY)

Pin

Wire Color

Circuit No.

Function

A

BLK

884

Left Rear Wheel Speed Sensor Signal

B

RED

885

Left Rear Wheel Speed Sensor Low Reference

Wheel Speed Sensor (WSS) - RF


Object Number: 333039  Size: CH

Connector Part Information

    • 12052638
    • 2-Way F Metri-Pack 150 Series (LT GRY)

Pin

Wire Color

Circuit No.

Function

A

DK GRN

872

Right Front Wheel Speed Sensor Signal

B

TAN

833

Right Front Wheel Speed Sensor Low Reference

Wheel Speed Sensor (WSS) - RR


Object Number: 333039  Size: CH

Connector Part Information

    • 12052638
    • 2-Way F Metri-Pack 150 Series (LT GRY)

Pin

Wire Color

Circuit No.

Function

A

BRN

882

Right Rear Wheel Speed Sensor Signal

B

WHT

883

Right Rear Wheel Speed Sensor Low Reference

Yaw Rate Sensor


Object Number: 130631  Size: CH

Connector Part Information

    • 12064758
    • 3-Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

GRY/BLK

1337

5 Volt Reference

B

LT GRN/BLK

1338

Low Reference

C

DK BLU

716

Yaw Rate Sensor Signal