GM Service Manual Online
For 1990-2009 cars only
Table 1: Brake Fluid Pressure Sensor
Table 2: Electronic Brake Control Module (EBCM) (Early)
Table 3: Electronic Brake Control Module (EBCM) (Late)
Table 4: Electronic Traction/Suspension Control Switch
Table 5: Lateral Accelerometer Sensor
Table 6: Wheel Speed Sensor (WSS) -- LF
Table 7: Wheel Speed Sensor (WSS) -- LR
Table 8: Wheel Speed Sensor (WSS) -- RF
Table 9: Wheel Speed Sensor (WSS) -- RR
Table 10: Yaw Rate Sensor

Brake Fluid Pressure Sensor


Object Number: 625473  Size: CH

Connector Part Information

    • 15324236
    • 3-Way F Metri-Pack 150 Series (GRY)

Pin

Wire Color

Circuit No.

Function

1

GRY

556

Low Reference

2

BLK

2626

Brake Pressure Sensor Signal

3

ORN

1056

Steering Wheel Position Sensor 5V Reference Voltage

Electronic Brake Control Module (EBCM) (Early)


Object Number: 470409  Size: CH

Connector Part Information

    • C1 - 15318099
    • 7-Way F Metri-Pack 480, GT 150 Mixed Series (BLK)
    • C2 - 15356700
    • 29 Way F Micro-Pack 100 Series (GRY)

Pin

Wire Color

Circuit No.

Function

A

RED

1642

Battery Positive Voltage

B

BRN

641

Ignition 3 voltage

C

GRY

1787

Variable Effort Steering Actuator High Effort Control

D

WHT

345

Variable Effort Steering Actuator Low Effort Control

E

--

--

Not Used

F

BLK/WHT

1251

Ground

G

BLK

1250

Ground

1

--

--

Not Used

2

TAN/BLK

464

Delivered Torque Signal

3

LT GRN

1763

Steering Wheel Position Signal A

4

--

--

Not Used

5

LT GRN/BLK

1338

Lateral Accelerometer Input (JL4)

6

LT BLU

20

Stop lamp Supply Voltage

7

--

--

Not Used

8

RED

885

Left Rear Wheel Speed Sensor Low Reference

9

BRN

882

Right Rear Wheel Speed Sensor Signal

10

DK GRN

872

Right Front Wheel Speed Sensor Signal

11

LT BLU

830

Left Front Wheel Speed Sensor Signa

12

ORN/BLK

463

Requested Torque Signal

13

ORN/BLK

556

Low Reference

14-16

--

--

Not Used

17

BLK

2626

Brake Pressure Sensor Signal (JL4)

18

LT BLU

1764

Steering Wheel Position Signal B

19

DK BLU

716

Yaw Rate Sensor Signal (JL4)

20

--

--

Not Used

21

LT BLU

1122

ABS/TCS Class 2 Serial Data

22

BLK

884

Left Rear Wheel Speed Sensor Signal

23

WHT

883

Right Rear Wheel Speed Sensor Low Reference

24

TAN

833

Right Front Wheel Speed Sensor Low Reference

25

YEL

873

Left Front Wheel Speed Sensor Low Reference

26

--

--

Not Used

27

GRY

1056

Steering Wheel Position Sensor 5V Reference Voltage

28

LT BLU

2627

Steering Position Sensor Signal

29

--

--

Not Used

Electronic Brake Control Module (EBCM) (Late)


Object Number: 470409  Size: CH

Connector Part Information

    • C1 - 15401425
    • 7-Way F Metri-Pack 480, GT 150 Mixed Series (BLK)
    • C2 - 15356700
    • 29 Way F Micro-Pack 100 Series (GRY)

Pin

Wire Color

Circuit No.

Function

A

RED

1642

Battery Positive Voltage

B

BRN

641

Ignition 3 voltage

C

GRY

1787

Variable Effort Steering Actuator High Effort Control

D

WHT

345

Variable Effort Steering Actuator Low Effort Control

E

--

--

Not Used

F

BLK/WHT

1251

Ground

G

BLK

1250

Ground

1

--

--

Not Used

2

TAN/BLK

464

Delivered Torque Signal

3

LT GRN

1763

Steering Wheel Position Signal A

4

--

--

Not Used

5

LT GRN/BLK

1338

Lateral Accelerometer Input (JL4)

6

LT BLU

20

Stop lamp Supply Voltage

7

--

--

Not Used

8

RED

885

Left Rear Wheel Speed Sensor Low Reference

9

BRN

882

Right Rear Wheel Speed Sensor Signal

10

DK GRN

872

Right Front Wheel Speed Sensor Signal

11

LT BLU

830

Left Front Wheel Speed Sensor Signa

12

ORN/BLK

463

Requested Torque Signal

13

ORN/BLK

556

Low Reference

14-16

--

--

Not Used

17

BLK

2626

Brake Pressure Sensor Signal (JL4)

18

LT BLU

1764

Steering Wheel Position Signal B

19

DK BLU

716

Yaw Rate Sensor Signal (JL4)

20

--

--

Not Used

21

LT BLU

1122

ABS/TCS Class 2 Serial Data

22

BLK

884

Left Rear Wheel Speed Sensor Signal

23

WHT

883

Right Rear Wheel Speed Sensor Low Reference

24

TAN

833

Right Front Wheel Speed Sensor Low Reference

25

YEL

873

Left Front Wheel Speed Sensor Low Reference

26

--

--

Not Used

27

GRY

1056

Steering Wheel Position Sensor 5V Reference Voltage

28

LT BLU

2627

Steering Position Sensor Signal

29

--

--

Not Used

Electronic Traction/Suspension Control Switch


Object Number: 281207  Size: CH

Connector Part Information

    • 12040953
    • 6-Way F Micro-Pack 100 Series (BLK)

Pin

Wire Color

Circuit No.

Function

5

BLK

150

Ground

6

BRN/WHT

1571

Traction Control Switch Signal

7

PNK/BLK

1385

Selective Ride Control Switch Low Reference

8

TAN/WHT

1384

Selective Ride Control Switch Signal

9

BRN/WHT

1244

Instrument Panel Lamp Supply Voltage - 2

10

ORN

2840

Battery Positive Voltage

Lateral Accelerometer Sensor


Object Number: 62453  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

GRY

1056

Steering Wheel Position Sensor 5V Reference Voltage

B

LT GRN/BLK

1338

Lateral Accelerometer Signal

C

ORN/BLK

556

Low Reference

Wheel Speed Sensor (WSS) -- LF


Object Number: 537107  Size: CH

Connector Part Information

    • 12052644
    • 2 Way F Metri-Pack 150 Sealed (LT GRY)

Pin

Wire Color

Circuit No.

Function

A

WHT

873

Left Front Wheel Speed Sensor Low Reference

B

BLK

830

Left Front Wheel Speed Sensor Signal

Wheel Speed Sensor (WSS) -- LR


Object Number: 537107  Size: CH

Connector Part Information

    • 12186686
    • 2 Way F Metri-Pack 150 Sealed (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: 537107  Size: CH

Connector Part Information

    • 12052644
    • 2 Way F Metri-Pack 150 Sealed (LT GRY)

Pin

Wire Color

Circuit No.

Function

A

WHT

872

Right Front Wheel Speed Sensor Signal

B

BLK

833

Right Front Wheel Speed Sensor Low Reference

Wheel Speed Sensor (WSS) -- RR


Object Number: 537107  Size: CH

Connector Part Information

    • 12186686
    • 2 Way F Metri-Pack 150 Sealed (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 150 Metri-Pack Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

GRY

1056

Steering Wheel Position Sensor 5V Reference Voltage

B

ORN/BLK

556

Low Reference

C

DK BLU

716

Yaw Rate Sensor Signal