GM Service Manual Online
For 1990-2009 cars only
Table 1: Electronic Suspension Control (ESC) Module - C1
Table 2: Electronic Suspension Control (ESC) Module - C2
Table 3: Electronic Traction/Suspension Control Switch

Electronic Suspension Control (ESC) Module - C1


Object Number: 255037  Size: CH

Connector Part Information

    • 12160778
    • 24 Way F Micro-Pack 100 Series (BRN)

Pin

Wire Color

Circuit No.

Fuction

A1

-

-

Not Used

A2

-

-

Not Used

A3

RED/BLK

1208

LR Position Sensor Supply

A4

LT GRN/WHT

1210

LR Position Sensor Signal

A5

RED/BLK

1214

RR Position Sensor Supply

A6

LT GRN/WHT

1216

RR Position Sensor Signal

A7

TAN/WHT

1384

Electronic Traction Suspension Control Switch Input

A8

PPL/WHT

1205

LF Position Sensor Supply

A9

TAN/WHT

1207

LF Position Sensor Signal

A10

PPL/WHT

1211

RF Position Sensor Supply

A11

TAN/WHT

1213

RF Position Sensor Signal

A12

BLK

1351

Ground

B1

RED

1842

Battery Positive Feed

B2

-

-

Not Used

B3

LT GRN/BLK

1209

Ground

B4

-

-

Not Used

B5

LT GRN/BLK

1215

Ground

B6

-

-

Not Used

B7

-

-

Not Used

B8

LT BLU/BLK

1206

Ground

B9

-

-

Not Used

B10

LT BLU/BLK

1212

Ground

B11

-

-

Not Used

B12

BRN

641

Battery Positive Feed

Electronic Suspension Control (ESC) Module - C2


Object Number: 328562  Size: CH

Connector Part Information

    • 12160779
    • 32 Way F Micro-Pack 100 Series (BRN)

Pin

Wire Color

Circuit No.

Fuction

C1

DK GRN

1119

RR Solenoid Drive

C2

DK BLU/WHT

1118

RR Solenoid Supply

C3

DK GRN

1115

LR Solenoid Drive

C4

DK BLU/WHT

1114

LR Solenoid Supply

C5

PNK/WHT

1101

Chassis Pitch Angle Input

C6

DK GRN/WHT

817

Vehicle Speed Sensor (VSS) Input

C7

LT BLU

914

Steering Position Sensor Input

C8

-

-

Not Used

C9

-

-

Not Used

C10

-

-

Not Used

C11

GRY

1117

RF Solenoid Drive

C12

LT BLU

1116

RF Solenoid Supply

C13

DK BLU

1944

RTD Relay Control

C14

-

-

Not Used

C15

-

-

Not Used

C16

-

-

Not Used

D1

ORN

1040

RTD Relay Solenoid Supply

D2

-

-

Not Used

D3

-

-

Not Used

D4

DK BLU/WHT

1126

Serial Data

D5

-

-

Not Used

D6

-

-

Not Used

D7

PNK/BLK

1385

Ground

D8

-

-

Not Used

D9

-

-

Not Used

D10

-

-

Not Used

D11

-

-

Not Used

D12

GRY

1113

LF Solenoid Drive

D13

LT BLU

1107

LF Solenoid Supply

D14

-

-

Not Used

D15

-

-

Not Used

D16

-

-

Not Used

Electronic Traction/Suspension Control Switch


Object Number: 281207  Size: CH

Connector Part Information

    • 12040953
    • 6 Way F Micro-Pack 100 Series (BLK)

Pin

Wire Color

Circuit No.

Fuction

5

BLK

150

Ground

6

BRN/WHT

1571

Traction Control Switch Input

7

PNK/BLK

1385

Ground

8

TAN/WHT

1384

Electronic Traction Suspension Control Switch Input

9

BRN/WHT

1244

Console Lamp Dimming Output

10

ORN

2840

Battery Positive Feed