GM Service Manual Online
For 1990-2009 cars only
Table 1: Combination Yaw Rate Sensor/Lateral Accelerometer Sensor
Table 2: Rear Wheel Steering Mode Select Switch
Table 3: Rear Wheel Steering Control Module - C1
Table 4: Rear Wheel Steering Control Module - C2
Table 5: Rear Wheel Steering Control Module - C3
Table 6: Rear Wheel Steering Module - C4
Table 7: Rear Wheel Position Sensor
Table 8: Steering Wheel Speed/Position Sensor

Combination Yaw Rate Sensor/Lateral Accelerometer Sensor


Object Number: 697024  Size: CH

Connector Part Information

    • 15421324
    • 6-Way F MQS Sealed (GRY)

Pin

Wire Color

Circuit No.

Function

1

DK GRN

2087

Steering Wheel Position Sensor 5 Volt Reference

2

LT BLU

715

Lateral Accelerometer Signal

3

DK BLU

716

Yaw Rate Sensor Signal

4-5

--

--

Not Used

6

LT BLU

2088

Steering Wheel Position Sensor Low Reference

Rear Wheel Steering Mode Select Switch


Object Number: 62435  Size: CH

Connector Part Information

    • 12047531
    • 10-Way F Micro-Pack 100 Series (BLK)

Pin

Wire Color

Circuit No.

Function

1

--

--

Not Used

2

ORN

2538

4 Wheel Steer Trailer Mode Indicator Supply Voltage

3

LT BLU

2568

2 Wheel Steer Mode Indicator Supply Voltage

4

TAN

2569

4 Wheel Steer Mode Indicator Supply Voltage

5

BRN/WHT

230

Instrument Panel Lamps Dimming Control

6

BLK

1050

Ground

7

--

--

Not Used

8

PPL/WHT

1382

LED Dimming Supply

9

DK GRN/WHT

2891

Rear Wheel Steering Mode Select Switch Signal

10

DK BLU

2544

Rear Wheel Steering Mode Select Switch 5 Volt Reference

Rear Wheel Steering Control Module - C1


Object Number: 261930  Size: CH

Connector Part Information

    • 12191065
    • 16-Way F Micro-Pack 100 Series (BLU)

Pin

Wire Color

Circuit No.

Function

1

YEL

2556

Rear Wheel Steering Motor Actuator Hall A Signal

2

BRN

2557

Rear Wheel Steering Motor Actuator Hall B Signal

3

BLK

2559

Rear Wheel Steering Motor Hall Sensor Ground

4

DK BLU

2564

Rear Wheel Position sensor Position 2 signal

5

RED

1444

Rear Wheel Steering Motor Hall Sensor 12 Volt Reference

6

GRY

2566

Rear Wheel Steering Motor Shorting Relay Ground

7-8

--

--

Not Used

9

LT BLU

2558

Rear Wheel Steering Motor Actuator Hall C Signal

10

ORN

2565

Rear Wheel Steering Motor Shorting Relay Voltage

11

TAN

2560

Rear position Sensor Ground

12

DK GRN

2563

Rear Wheel Position Sensor Position 1 Signal

13

WHT

605

5 Volt Reference

14-16

--

--

Not Used

Rear Wheel Steering Control Module - C2


Object Number: 784743  Size: CH

Connector Part Information

    • 15355393
    • 3-Way F Mini-Fit Jr (BLK)

Pin

Wire Color

Circuit No.

Function

A

RED

2545

Rear Wheel Steering Motor Actuator Phase A Control

B

DK BLU

2546

Rear Wheel Steering Motor Actuator Phase B Control

C

ORN

2547

Rear Wheel Steering Motor Actuator Phase C Control

Rear Wheel Steering Control Module - C3


Object Number: 814661  Size: CH

Connector Part Information

    • 15355404
    • 2-Way F Maxi 800 Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK

1750

Ground

B

RED

1042

Battery Positive Voltage

Rear Wheel Steering Module - C4


Object Number: 39784  Size: CH

Connector Part Information

    • 12129225
    • 24-Way F Micro-Pack 100 Series, Sealed (GRY)

Pin

Wire Color

Circuit No.

Function

1

LT GRN

1763

Steering Wheel Position Sensor Phase A Signal

2

LT BLU

1764

Steering Wheel Position Sensor Phase B Signal

3

LT BLU

2088

Steering Wheel Position Sensor Low Reference

4

DK BLU

2544

Rear Wheel Steering Mode Select Switch 5 Volt Reference

5

--

--

Not Used

6

DK

GRN/WHT

817

Vehicle Speed Signal

7

BRN

541

Ignition 3 Voltage

8

DK BLU

716

Yaw Rate Sensor Signal

9

DK GRN/WHT

2891

Rear Wheel Steering Mode Select Switch Signal

10-12

--

--

Not Used

13

WHT

1765

Steering Wheel Position Marker Pulse Signal

14

--

--

Not Used

15

DK GRN

2087

Steering Wheel Position Sensor 5 Volt Reference

16

LT BLU

2568

2 Wheel Steer Mode Indicator Supply Voltage

17

TAN

2569

4 Wheel Steer Mode Indicator Supply Voltage

18

--

--

Not Used

19

ORN

2538

4 Wheel Steer Trailer Mode Indicator Supply Voltage

20

LT BLU

715

Lateral Accelerometer Signal

21-22

--

--

Not Used

23

ORN

2640

Battery Positive Voltage

24

GRY

2567

Rear Wheel Steering Module Class 2 Serial Data

Rear Wheel Position Sensor


Object Number: 646430  Size: CH

Connector Part Information

    • 15326815
    • 4-Way F GT 15 Sealed 4.0 (BLK)

Pin

Wire Color

Circuit No.

Function

A

WHT

605

5 Volt Reference

B

DK GRN

2563

Rear Wheel Position Sensor Position 1 Signal

C

TAN

2560

Rear Position Sensor Ground

D

LT BLU

2564

Rear Wheel Position Sensor Position 2 Signal

Steering Wheel Speed/Position Sensor


Object Number: 280793  Size: CH

Connector Part Information

    • 12052444
    • 8-Way F Micro-Pack 100 Series (BLK)

Pin

Wire Color

Circuit No.

Function

1

GRY

1056

Steering Wheel Position Sensor 5 Volt Reference Voltage

2

BLK

1835

Security System Sensor Low Reference

3

LT GRN

1763

Steering Wheel Position Sensor Phase A Signal

4

LT BLU

1764

Steering Wheel Position Sensor Phase B Signal

5

WHT

1765

Steering Wheel Position Marker Pulse Signal

6

LT BLU

1059

Steering Wheel Position Sensor Signal

7

PNK

41

Ignition 3 Voltage

8

BLK

1851

Ground