GM Service Manual Online
For 1990-2009 cars only

Back View of the PCM Connector C1


Object Number: 60615  Size: CF

Connector Part Information

    • 1.3L VIN 9
    • 26 Pin GRN Connector C1

Pin

Wire Color

Function

C1-1

BLK/GRN

PCM Ground

C1-2

WHT/BLU

Ignition Positive Voltage

C1-3

PNK/BLU

EVAP Canister Vent Solenoid Control

C1-4

PNK

HO2S 2 Heater Control

C1-5

ORN/GRN

Shift Solenoid-B (A/T only)

C1-6

ORN

Shift Solenoid-A (A/T only)

C1-7

RED/GRN

EVAP Canister Purge Valve Control

C1-8

ORN/GRN

2nd Brake Solenoid Control - A/T

C1-9

ORN

Direct Clutch Solenoid Control - A/T

C1-10

ORN

Ignition Trigger Signal

C1-11

GRY/YEL

Idle Speed Control (ISC) Motor Command

C1-12

BRN/WHT

Fuel Injector Control

C1-13

BLK/BLU

PCM Ground

C1-14

WHT

Memory Power Input

C1-15

WHT/BLU

Ignition Positive Voltage

C1-16

GRY/BLK

Idle Speed Control (ISC) Motor Relay Control

C1-17

PPL/YEL

Malfunction Indicator Lamp (MIL) Control

C1-18

PPL/RED

Upshift Indicator Lamp Control

C1-19

RED/BLU

EVAP Tank Pressure Control Solenoid Valve Control

C1-20

BLU

Engine Cooling Fan Relay Control

C1-21

PNK/WHT

Fuel Pump Relay Control

C1-22

BLU/BLK

Main Relay Control

C1-23

--

Not Used

C1-24

GRY/RED

Idle Speed Control (ISC) Motor Command

C1-25

YEL/RED

Early Fuel Evaporative (EFE) Heater Relay Control

C1-26

BLK/RED

PCM Ground

Back View of the PCM Connector C2


Object Number: 60622  Size: CF

Connector Part Information

    • 1.3L VIN 9
    • 16 Pin GRN Connector C2

Pin

Wire Color

Function

C2-1

LT GRN

Reference Voltage

C2-2

ORN

Ignition Reference (CMP Sensor)

C2-3

WHT/BLK

Ignition Reference High (CKP Sensor)

C2-4

PPL

Vehicle Speed Sensor (VSS) High - A/T

YEL/GRN

Vehicle Speed Sensor (VSS) - M/T

C2-5

ORN/GRN

Manifold Absolute Pressure (MAP) Sensor Input

C2-6

LT GRN/WHT

Throttle Position (TP) Sensor Input

C2-7

GRY/WHT

Engine Coolant Temperature (ECT) Sensor Input

C2-8

PNK/BLK

HO2S 1 Heater Control

C2-9

LT GRN/BLK

Sensor Ground

C2-10

WHT

Ignition Reference Low (CMP Sensor)

C2-11

WHT/BLK

Ignition Reference Low (CKP Sensor)

C2-12

GRY/YEL

Early Fuel Evaporative (EFE) On Signal

C2-13

RED

HO2S 1 Signal

C2-14

GRY

Intake Air Temperature (IAT) Sensor Input

C2-15

BLU/WHT

Power Steering Pressure Switch Input

C2-16

BLK/YEL

Transmission Range (TR) Switch Input - A/T

Closed Pedal Position (CPP) Switch - M/T

Back View of the PCM Connector C3


Object Number: 60619  Size: CF

Connector Part Information

    • 1.3L VIN 9
    • 22 Pin GRN Connector C3

Pin

Wire Color

Function

C3-1

--

Not Used

C3-2

PPL

Vehicle Speed Sensor (VSS) Signal High - A/T

C3-3

GRN

2 Position Signa - A/T

C3-4

ORN/YEL

N Position Signal - A/T

C3-5

ORN/BLK

P Position Signal - A/T

C3-6

BLU/YEL

Diagnostic Request Signal

C3-7

PPL/GRN

Test Switch Signal

C3-8

YEL

HO2S 2 Signal

C3-9

--

Not Used

C3-10

YEL/GRN

Fuel Level Sensor Input

C3-11

YEL/RED

Vehicle Speed Sensor (VSS) Input - M/T

C3-12

PPL/WHT

Serial Data Output

C3-13

LT GRN

Vehicle Speed Sensor (VSS) Signal Low - A/T

C3-14

GRN/BLU

L Position Signall - A/T

C3-15

GRN/RED

D Position Signall - A/T

C3-16

RED

R Position Signall - A/T

C3-17

GRY

A/C Cut-Out Control

C3-18

BRN/WHT

Electrical Load Idle-Up Signal

C3-19

BLU/RED

A/C Idle-Up Signal

C3-20

BLK/WHT

Ignition Positive Voltage

C3-21

LT GRN/YEL

Fuel Tank Pressure (FTP) Sensor Input

C3-22

--

Not Used