GM Service Manual Online
For 1990-2009 cars only
Connector 1: Brake Fluid Pressure Sensor
Connector 2: Electronic Brake Control Module (EBCM)
Connector 3: Steering Angle Sensor
Connector 4: Left Front Wheel Speed Sensor (WSS)
Connector 5: Left Rear Wheel Speed Sensor (WSS)
Connector 6: Right Front Wheel Speed Sensor (WSS)
Connector 7: Right Rear Wheel Speed Sensor (WSS)
Connector 8: Yaw Rate/Lateral Acceleration Sensor
Connector 9: Brake Pedal Position Sensor
Connector 10: Variable Effort Steering Actuator (w/NV7)
Connector 11: Traction Control Switch/Hazard Lamp Switch

Brake Fluid Pressure Sensor


Object Number: 1243672  Size: CH

Brake Fluid Pressure Sensor

Pin

Wire

Circuit

Function

1

L-GN/BK

1338

Yaw Rate Sensor Signal (2)

2

PU

5002

Brake Pressure Modulator Valve

3

GY/BK

1337

Yaw Rate Sensor Voltage Reference

Electronic Brake Control Module (EBCM)


Object Number: 1455864  Size: CH

Electronic Brake Control Module (EBCM)

Pin

Wire

Circuit

Function

A

RD/BK

342

Battery Positive Voltage

B

RD/BK

342

Battery Positive Voltage

C

BN

2039

Run Ignition 3 Voltage

D

--

--

Not Used

E

BK

1150

Ground

F

BK

1150

Ground

G

GY

1787

Variable Effort Steering Actuator High Effort Control

H

WH

345

Variable Effort Steering Actuator Low Effort Control

A1

YE

873

Left Front Wheel Speed Sensor Low Reference

A2

L-BU

830

Left Front Wheel Speed Sensor Signal

A3

D-GN

872

Right Front Wheel Speed Sensor Signal

A4

BN

833

Right Front Wheel Speed Sensor Low Reference

A5

YE

884

Left Rear Wheel Speed Sensor Signal

A6

OG

885

Left Rear Wheel Speed Sensor Low Reference

A7

BN

882

Right Rear Wheel Speed Sensor Signal

A8

WH

883

Right Rear Wheel Speed Sensor Low Reference

A9-A10

--

--

Not Used

A11

YE

5727

The high speed GMLAN serial data appear

A12-A14

--

--

Not Used

B1-B8

--

--

Not Used

B9

TN

2501

Low Speed GMLAN Serial Data (-) 1 (M82)

B10

TN

2501

Low Speed GMLAN Serial Data (-) (1)

B11

TN/BK

2500

High Speed GMLAN Serial Data (+) (1)

B12

TN/BK

2500

High Speed GMLAN Serial Data (+) 1 (M82)

B13

L-GN/BK

1338

Yaw Rate Sensor Signal (2)

B14

GY/BK

1337

Yaw Rate Sensor Voltage Reference Value

C1-C5

--

--

Not Used

C6

L-BU

1764

Steering Wheel Position Signal B

C7

L-GN

1763

Steering Wheel Position Signal A

C8

D-BU

716

Yaw Rate Sensor Signal (1)

C9

L-BU

715

Lateral Accelerometer Signal

C10

PU

5002

Brake Pressure Modulator Valve

C11-C14

--

--

Not Used

Steering Angle Sensor


Object Number: 40427  Size: CH

Steering Angle Sensor

Pin

Wire

Circuit

Function

1

GY/BK

1337

5-Volt Reference

2

L-GN/BK

1338

Low Reference

3-4

--

--

Not Used

5

L-GN

1763

Steering Wheel Position Signal A

6

L-BU

1764

Steering Wheel Position Signal B

Left Front Wheel Speed Sensor (WSS)


Object Number: 2010148  Size: CH

Left Front Wheel Speed Sensor (WSS)

Pin

Wire

Circuit

Function

A

YE

873

Left Front Wheel Speed Sensor Low Reference

B

L-BU

830

Wheel Speed Sensor Signal Left Front

Left Rear Wheel Speed Sensor (WSS)


Object Number: 2010148  Size: CH

Left Rear Wheel Speed Sensor (WSS)

Pin

Wire

Circuit

Function

A

BN

884

Left Rear Wheel Speed Sensor Signal

B

OG

885

Left Rear Wheel Speed Sensor Low Reference

Right Front Wheel Speed Sensor (WSS)


Object Number: 2010148  Size: CH

Right Front Wheel Speed Sensor (WSS)

Pin

Wire

Circuit

Function

A

D-GN

872

Right Front Wheel Speed Sensor Signal

B

BN

833

Right Front Wheel Speed Sensor Low Reference

Right Rear Wheel Speed Sensor (WSS)


Object Number: 2010148  Size: CH

Right Rear Wheel Speed Sensor (WSS)

Pin

Wire

Circuit

Function

A

BN

882

Right Rear Wheel Speed Sensor Signal

B

WH

883

Right Rear Wheel Speed Sensor Low Reference

Yaw Rate/Lateral Acceleration Sensor


Object Number: 647974  Size: CH

Yaw Rate/Lateral Acceleration Sensor

Pin

Wire

Circuit

Function

A

--

--

Not Used

B

GY/BK

1337

Yaw Rate Sensor Voltage Reference Value

C

D-BU

716

Yaw Rate Sensor Signal (1)

D

L-GN/BK

1338

Yaw Rate Sensor Signal (2)

E

L-BU

715

Lateral Accelerometer Signal

Brake Pedal Position Sensor


Object Number: 2010148  Size: CH

Brake Pedal Position Sensor

Pin

Wire

Circuit

Function

A

BN

5360

Low Reference

B

YE

5361

Brake Pedal Position Signal Output

C

WH

5359

Supply Voltage

Variable Effort Steering Actuator (w/NV7)


Object Number: 2010148  Size: CH

Connector Part Information

    • OEM: 963040-1
    • Service: N/A
    • 2-Way F Junior Timer Series (BU)


Variable Effort Steering Actuator (w/NV7)

Pin

Wire

Circuit

Function

1

GY

1787

Supply Voltage

2

WH

345

Low Reference

Traction Control Switch/Hazard Lamp Switch


Object Number: 2010148  Size: CH

Traction Control Switch/Hazard Lamp Switch

Pin

Wire

Circuit

Function

1

BN/WH

1571

Traction Switch

2

WH

111

Hazard warning switch

3

YE

6817

Lighting

4

YE

18

Flash Control

5

BK/WH

451

Ground