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

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.

Function

A1-A2

--

--

Not Used

A3

RED/BLK

1208

Left Rear Strut Position Sensor 5 Volt Reference

A4

LT GRN/WHT

1210

Left Rear Strut Position Sensor Signal

A5

RED/BLK

1214

Right Rear Strut Position Sensor 5 Volt Reference

A6

LT GRN/WHT

1216

Right Rear Strut Position Sensor Signal

A7

TAN/WHT

1384

Selective Ride Control Switch Signal

A8

PPL/WHT

1205

Left Front Strut Position Sensor 5 Volt Reference

A9

TAN/WHT

1207

Left Front Strut Position Sensor Signal

A10

PPL/WHT

1211

Right Front Strut Position Sensor 5 Volt Reference

A11

TAN/WHT

1213

Right Front Strut Position Sensor Signal

A12

BLK

1351

Ground

B1

RED

1842

Battery Positive Voltage

B2

--

--

Not Used

B3

LT GRN/BLK

1209

Left Rear Strut Position Sensor Low Reference

B4

--

--

Not Used

B5

LT GRN/BLK

1215

Right Rear Strut Position Sensor Low Reference

B6-B7

--

--

Not Used

B8

LT BLU/BLK

1206

Left Front Strut Position Sensor Low Reference

B9

--

--

Not Used

B10

LT BLU/BLK

1212

Right Front Strut Position Sensor Low Reference

B11

--

--

Not Used

B12

BRN

641

Ignition 3 Voltage

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.

Function

C1

DK GRN

1119

Right Rear Damping Servo Control

C2

DK BLU/WHT

1118

Right Rear Damping Servo Supply Voltage

C3

DK GRN

1115

Left Rear Damping Servo Control

C4

DK BLU/WHT

1114

Left Rear Damping Servo Supply Voltage

C5

PNK/WHT

1101

Damping Lift/Dive Signal

C6

DK GRN/WHT

817

VSS Signal

C7

LT BLU

914

Steering Position Sensor Signal

C8-C10

--

--

Not Used

C11

GRY

1117

Right Front Damping Servo Control

C12

LT BLU

1116

Right Front Damping Servo Supply Voltage

C13

DK BLU

1944

RTD Relay Control

C14-C16

--

--

Not Used

D1

ORN

1040

Battery Positive Voltage

D2-D3

--

--

Not Used

D4

DK BLU/WHT

1126

SCM (Suspension) Class 2 Serial Data

D5-D6

--

--

Not Used

D7

PNK/BLK

1385

Selective Ride Control Switch Low Reference

D8-D11

--

--

Not Used

D12

GRY

1113

Left Front Damping Servo Control

D13

LT BLU

1107

Left Front Damping Servo Supply Voltage

D14-D16

--

--

Not Used