GM Service Manual Online
For 1990-2009 cars only
Table 1: Brake Pressure Sensor (RPO JL4)
Table 2: Electronic Brake Control Module (EBCM) (w/ RPO JL4)
Table 3: Electronic Brake Control Module (EBCM) (w/o RPO JL4)
Table 4: Electronic Traction Control Switch
Table 5: Steering Angle Sensor
Table 6: Vehicle Yaw/Lateral Accelerometer Sensor (w/ RPO JL4)
Table 7: Wheel Speed Sensor (Left Front)
Table 8: Wheel Speed Sensor (Right Front)
Table 9: Wheel Speed Sensor (Left Rear)
Table 10: Wheel Speed Sensor (Right Rear)

Brake Pressure Sensor (RPO JL4)


Object Number: 654280  Size: CH

Connector Part Information

    • 15324236
    • 3-Way Quadlck Micro Series Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

1

GRY/BLK

1798

Ground

2

ORN

1575

Brake Fluid Pressure Signal

3

GRY

596

5 Volt Reference

Electronic Brake Control Module (EBCM) (w/ RPO JL4)


Object Number: 231364  Size: CH

Connector Part Information

    • 15326390
    • 30-Way F GT Mixed (BLK)

Pin

Wire Color

Circuit No.

Function

1

BRN/WHT

2086

Test Signal

2

BRN

882

Wheel Speed Sensor Signal - Right Rear

3

WHT

883

Wheel Speed Sensor Return - Right Rear

4

DK GRN

872

Wheel Speed Sensor Signal - Right Front

5

TAN

833

Wheel Speed Sensor Return - Right Front

6

WHT

17

Stop Lamp Switch Input

7

WHT

121

Tachometer Signal Input

8

PNK

1339

Ignition 1 Feed

9

TAN/BLK

464

Traction Control System Signal - Torque Delivered

10

LT BLU

715

Lateral Accelerometer Signal

11

TAN

2501

Steering Angle Sensor Lo Signal Input

12

BLK

550

Ground

13

RED

102

B+ Feed

14

RED/WHT

202

B+ Feed

15

BLK/WHT

251

Ground

16

ORN

2302

Reference Voltage Feed to Vehicle Yaw/Lateral Accelerometer Sensor

17

ORN

1575

Brake Fluid Pressure Signal Input

18

GRY/BLK

1798

Ground Output

19

TAN/WHT

2500

Steering Angle Sensor HI Signal Input

20

LT BLU

830

Wheel Speed Sensor Signal - Left Front

21

YEL

873

Wheel Speed Sensor Return - Left Front

22

BLK

884

Wheel Speed Sensor Signal - Left Rear

23

RED

885

Wheel Speed Sensor Return - Left Rear

24

--

--

Not Used

25

LT BLU

1122

Class 2 Serial Data

26

DK BLU

716

Yaw Rate Signal

27

ORN/BLK

463

Traction Control System Signal - Torque Desired

28

GRY

596

Reference 5V to Brake Pressure Sensor

29

WHT

345

MSVA Low

30

GRY

1787

MSVA High

Electronic Brake Control Module (EBCM) (w/o RPO JL4)


Object Number: 231364  Size: CH

Connector Part Information

    • 15326390
    • 30-Way F GT Mixed (BLK)

Pin

Wire Color

Circuit No.

Function

1

--

--

Not Used

2

BRN

882

Wheel Speed Sensor Signal - Right Rear

3

WHT

883

Wheel Speed Sensor Return - Right Rear

4

DK GRN

872

Wheel Speed Sensor Signal - Right Front

5

TAN

833

Wheel Speed Sensor Return - Right Front

6

WHT

17

Stop Lamp Feed

7

--

--

Not Used

8

PNK

1339

Ignition 1 Feed

9

TAN/WHT

464

Torque Delivered Input

10

--

--

Not Used

11

WHT

121

Tachometer Signal Input

12

BLK

550

Ground

13

RED

102

B+ Feed

14

RED/WHT

202

B+ Feed

15

BLK/WHT

251

Ground

16-19

--

--

Not Used

20

LT BLU

830

Wheel Speed Sensor Signal - Left Front

21

YEL

873

Wheel Speed Sensor Return - Left Front

22

BLK

884

Wheel Speed Sensor Signal - Left Rear

23

RED

885

Wheel Speed Sensor Return - Left Rear

24

--

--

Not Used

25

DK BLU

1122

Class 2 Serial Data

26

--

--

Not Used

27

ORN/BLK

463

Traction Control System Signal - Torque Desired

28

--

--

Not Used

29

WHT

345

MSVA Low

30

GRY

1787

MSVA High

Electronic Traction Control Switch


Object Number: 130718  Size: CH

Connector Part Information

    • 12059800
    • 5-Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A-B

--

--

Not Used

C

GRY

8

Interior Lights Dimming Feed

D

BLK

1550

Ground

E

BRN/WHT

1571

Traction Switch Signal Output

Steering Angle Sensor


Object Number: 648105  Size: CH

Connector Part Information

    • 15324467
    • 4-Way F (BLK)

Pin

Wire Color

Circuit No.

Function

1

TAN

2501

Sensor Signal Output - Can Lo

2

TAN/WHT

2500

Sensor Signal Output - Can Hi

3

PNK

1339

Ignition 1 Feed

4

GRY/BLK

1798

Ground

Vehicle Yaw/Lateral Accelerometer Sensor (w/ RPO JL4)


Object Number: 648109  Size: CH

Connector Part Information

    • 15318094
    • 6-Way F Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

1

ORN

2302

5 Volt Reference Voltage Output

2

BLK/WHT

2086

Test Signal

3

PNK

1339

Ignition 1 Feed

4

DK BLU

716

Yaw Rate Signal Output

5

LT BLU

715

Lateral Signal Output

6

GRY/BLK

1798

Ground

Wheel Speed Sensor (Left Front)


Object Number: 35437  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

WHT

830

Left Front Wheel Speed Sensor High

B

BLK

873

Left Front Wheel Speed Sensor Low

Wheel Speed Sensor (Right Front)


Object Number: 35437  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

WHT

872

Right Front Wheel Speed Sensor High

B

BLK

833

Right Front Wheel Speed Sensor Low

Wheel Speed Sensor (Left Rear)


Object Number: 287974  Size: CH

Connector Part Information

    • 12191881
    • 2-Way F Metri-Pack 150 Series Sealed (GRY)

Pin

Wire Color

Circuit No.

Function

A

WHT

884

Left Rear Wheel Speed Sensor High

B

BLK

885

Left Rear Wheel Speed Sensor Low

Wheel Speed Sensor (Right Rear)


Object Number: 287974  Size: CH

Connector Part Information

    • 12191881
    • 2-Way F Metri-Pack 150 Series Sealed (GRY)

Pin

Wire Color

Circuit No.

Function

A

WHT

883

Right Rear Wheel Speed Sensor Low

B

BLK

882

Right Rear Wheel Speed Sensor High