GM Service Manual Online
For 1990-2009 cars only
Table 1: Electronic Brake Control Module (EBCM) C1 - w/o JL4
Table 2: Electronic Brake Control Module (EBCM) C2 - w/o JL4
Table 3: Electronic Brake Control Module (EBCM) - JL4
Table 4: Precharge Pump (JL4)
Table 5: Steering Wheel Speed/Position Sensor (JL4)
Table 6: Traction Control Switch (JL4)
Table 7: Wheel Speed Sensor (WSS) - LF
Table 8: Wheel Speed Sensor (WSS) - LR (JL4)
Table 9: Wheel Speed Sensor (WSS) - RF
Table 10: Wheel Speed Sensor (WSS) - RR (JL4)
Table 11: Yaw and Lateral Acceleration Sensor (JL4)

Electronic Brake Control Module (EBCM) C1 - w/o JL4


Object Number: 684792  Size: CH

Connector Part Information

    • 12052613
    • 2-Way F Metri-Pack 480 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

BK

1150

Ground

B

RD/BK

642

Battery Positive Voltage

Electronic Brake Control Module (EBCM) C2 - w/o JL4


Object Number: 861663  Size: CH

Connector Part Information

    • 15339077
    • 20-Way F Micro-Pack 100W Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A1

YE

873

Left Front Wheel Speed Sensor Low Reference

A2

D-GN

872

Right Front Wheel Speed Sensor Signal

A3

PU

420

TCC Brake Switch/Cruise Control Release Signal

A4-A9

--

--

Not Used

A10

PU

333

Brake Fluid Level/Pressure Switch Signal

B1

L-BU

830

Left Front Wheel Speed Sensor Signal

B2

TN

833

Right Front Wheel Speed Sensor Low Reference

B3

YE/BK

1827

Vehicle Speed Signal

B4-B8

--

--

Not Used

B9

L-BU

1122

Class 2 Serial Data

B10

BN

441

Ignition 3 Voltage

Electronic Brake Control Module (EBCM) - JL4


Object Number: 1199759  Size: CH

Connector Part Information

    • 15405468
    • 46-Way F Mixed 100W 480 Metri-Pack 280 GT Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

D-GN

2878

Precharge Motor Low

B

RD

4042

Battery Positive Voltage

C

BK

2851

Ground

D

D-BU

2877

Precharge Motor High

E

BK

2150

Ground

F

RD

442

Battery Positive Voltage

1

D-GN

2087

Yaw Rate Sensor 5-Volt Reference

2

GY

626

5-Volt Reference

3

--

--

Not Used

4

L-BU

1122

ABS/TCS Class 2 Serial Data

5

L-BU

2088

Yaw Rate Sensor Low Reference

6

OG/BK

556

Steering Wheel Position Sensor Low Reference

7-10

--

--

Not Used

11

BN

441

Ignition 3 Voltage

12-13

--

--

Not Used

14

OG/BK

463

Requested Torque Signal

15

TN/BK

464

Delivered Torque Signal

16

--

--

Not Used

17

L-BU

715

Lateral Accelerometer Signal

18-20

--

--

Not Used

21

L-GN/BK

5352

Sensor Self Test Signal Circuit

22

PU

420

TCC Brake Switch/Cruise Control Release Signal

23

L-GN

1763

Steering Wheel Position Signal A

24

YE

5353

Yaw Rate Frequency

25

L-BU

1059

Steering Wheel Position Sensor Signal 1

26

WH

1765

Steering Wheel Position Marker Pulse Signal

27

L-BU

1764

Steering Wheel Position Signal B

28

--

--

Not Used

29

L-BU

2206

Traction Control Preference Switch Signal

30

D-BU

716

Yaw Rate Sensor Signal

31

PU

333

Brake Level Switch Signal

32

YE/BK

1827

Vehicle Speed Signal

33

YE

873

Left Front Wheel Speed Sensor Low Reference

34

L-BU

830

Left Front Wheel Speed Sensor Signal

35

TN

833

Right Front Wheel Speed Sensor Low Reference

36

D-GN

872

Right Front Wheel Speed Sensor Signal

37

RD

885

Left Rear Wheel Speed Sensor Low Reference

38

BK

884

Left Rear Wheel Speed Sensor Signal

39

WH

883

Right Rear Wheel Speed Sensor Low Reference

40

BN

882

Right Rear Wheel Speed Sensor Signal

Precharge Pump (JL4)


Object Number: 603213  Size: CH

Connector Part Information

    • 15326679
    • 2-Way F GT 280 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

D-GN

2878

Precharge Motor Low

B

D-BU

2877

Precharge Motor High

Steering Wheel Speed/Position Sensor (JL4)


Object Number: 280793  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

1

GY

626

5-Volt Reference

2

OG/BK

556

Steering Wheel Position Sensor Low Reference

3

L-GN

1763

Steering Wheel Position Signal A

4

L-BU

1764

Steering Wheel Position Signal B

5

WH

1765

Steering Wheel Position Marker Pulse Signal

6

L-BU

1059

Steering Wheel Position Sensor Signal 1

7

BN

341

Ignition 3 Voltage

8

BK/WH

351

Ground

Traction Control Switch (JL4)


Object Number: 304345  Size: CH

Connector Part Information

    • 12177195
    • 6-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A-B

--

--

Not Used

C

BK

550

Ground

D

BN/WH

230

Instrument Panel Lamps Dimming Control

E

BN

441

Ignition 3 Voltage

F

L-BU

2206

Traction Control Preference Switch Signal

Wheel Speed Sensor (WSS) - LF


Object Number: 635009  Size: CH

Connector Part Information

    • 12052641
    • 2-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

YE

873

Left Front Wheel Speed Sensor Low Reference

B

L-BU

830

Left Front Wheel Speed Sensor Signal

Wheel Speed Sensor (WSS) - LR (JL4)


Object Number: 635009  Size: CH

Connector Part Information

    • 12052641
    • 2-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

BK

884

Left Rear Wheel Speed Sensor Signal

B

RD

885

Left Rear Wheel Speed Sensor Low Reference

Wheel Speed Sensor (WSS) - RF


Object Number: 635009  Size: CH

Connector Part Information

    • 12052641
    • 2-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

D-GN

872

Right Front Wheel Speed Sensor Signal

B

TN

833

Right Front Wheel Speed Sensor Low Reference

Wheel Speed Sensor (WSS) - RR (JL4)


Object Number: 635009  Size: CH

Connector Part Information

    • 12052641
    • 2-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

BN

882

Right Rear Wheel Speed Sensor Signal

B

WH

883

Right Rear Wheel Speed Sensor Low Reference

Yaw and Lateral Acceleration Sensor (JL4)


Object Number: 697024  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

1

D-GN

2087

Yaw Rate Sensor 5-Volt Reference

2

L-BU

715

Lateral Accelerometer Signal

3

D-BU

716

Yaw Rate Sensor Signal

4

L-GN/BK

5352

Sensor Self Test Signal Circuit

5

YE

5353

Yaw Rate Frequency

6

L-BU

2088

Yaw Rate Sensor Low Reference