GM Service Manual Online
For 1990-2009 cars only
Table 1: Brake Fluid 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: Steering Angle Sensor
Table 5: Traction Control Switch
Table 6: Wheel Speed Sensor-LF
Table 7: Wheel Speed Sensor-LR
Table 8: Wheel Speed Sensor-RF
Table 9: Wheel Speed Sensor-RR
Table 10: Yaw and Lateral Acceleration Sensor (w/ RPO JL4)

Brake Fluid 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

Right Rear Wheel Speed Sensor Signal

3

WHT

883

Right Rear Wheel Speed Sensor Low Reference

4

DK GRN

872

Right Front Wheel Speed Sensor Signal

5

TAN

833

Right Front Wheel Speed Sensor Low Reference

6

WHT

17

Stop Lamp Switch Signal

7

WHT

121

Engine Speed Signal

8

PNK

1339

Ignition 1 Voltage

9

TAN/BLK

464

Delivered Torque Signal

10

LT BLU

715

Lateral Accelerometer Signal

11

TAN

2501

High Speed GM LAN Serial Data Bus (w/ JL4)

12

BLK

550

Ground

13

RED

102

Battery Positive Voltage

14

RED/WHT

202

Battery Positive Voltage

15

BLK/WHT

251

Ground

16

ORN

2302

Reference Voltage Feed to Vehicle Yaw/Lateral Accelerometer Sensor

17

ORN

1575

Brake Fluid Pressure Signal

18

GRY/BLK

1798

Ground

19

TAN/WHT

2500

High Speed GM LAN Serial Data Bus (w/ JL4)

20

LT BLU

830

Left Front Wheel Speed Sensor Signal

21

YEL

873

Left Front Wheel Speed Sensor Low Reference

22

BLK

884

Left Rear Wheel Speed Sensor Signal

23

RED

885

Left Rear Wheel Speed Sensor Low Reference

24

--

--

Not Used

25

LT BLU

1122

ABS/TCS Class 2 Serial Data

26

DK BLU

716

Yaw Rate Sensor Signal

27

ORN/BLK

463

Requested Torque Signal

28

GRY

596

5 Volt Reference

29

WHT

345

Variable Effort Steering Actuator Low Effort Control

30

GRY

1787

Variable Effort Steering Actuator High Effort Control

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

RIght Rear Wheel Speed Sensor Signal

3

WHT

883

RIght Rear Wheel Speed Sensor Low Reference

4

DK GRN

872

Right Front Wheel Speed Sensor Signal

5

TAN

833

Right Front Wheel Speed Sensor Low Reference

6

WHT

17

Stop Lamp Switch Signal

7

--

--

Not Used

8

PNK

1339

Ignition 1 Voltage

9

TAN/WHT

464

Delivered Torque Signal

10

--

--

Not Used

11

WHT

121

Engine Speed Signal

12

BLK

550

Ground

13

RED

102

Battery Positive Voltage

14

RED/WHT

202

Battery Positive Voltage

15

BLK/WHT

251

Ground

16-19

--

--

Not Used

20

LT BLU

830

Left Front Wheel Speed Sensor Signal

21

YEL

873

Left Front Wheel Speed Sensor Low Reference

22

BLK

884

Left Rear Wheel Speed Sensor Signal

23

RED

885

Left Rear Wheel Speed Sensor Low Reference

24

--

--

Not Used

25

DK BLU

1122

ABS/TCS Class 2 Serial Data

26

--

--

Not Used

27

ORN/BLK

463

Requested Torque Signal

28

--

--

Not Used

29

WHT

345

Variable Effort Steering Actuator Low Effort Control

30

GRY

1787

Variable Effort Steering Actuator High Effort Control

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

CAN Serial Data Low

2

TAN/WHT

2500

CAN Serial Data High

3

PNK

1339

Ignition 1 Voltage

4

GRY/BLK

1798

Ground

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

Instrument Panel Lamp Supply Voltage-1

D

BLK

1550

Ground

E

BRN/WHT

1571

Traction Control Switch Signal

Wheel Speed Sensor-LF


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 Signal

B

BLK

873

Left Front Wheel Speed Sensor Low Reference

Wheel Speed Sensor-LR


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 Signal

B

BLK

885

Left Rear Wheel Speed Sensor Low Reference

Wheel Speed Sensor-RF


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 Signal

B

BLK

833

Right Front Wheel Speed Sensor Low Reference

Wheel Speed Sensor-RR


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

882

Right Rear Wheel Speed Sensor Signal

B

BLK

883

Right Rear Wheel Speed Sensor Low Reference

Yaw and Lateral Acceleration 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

2

BLK/WHT

2086

Test Signal

3

PNK

1339

Ignition 1 Voltage

4

DK BLU

716

Yaw Rate Sensor Signal

5

LT BLU

715

Lateral Accelerometer Signal

6

GRY/BLK

1798

Ground