GM Service Manual Online
For 1990-2009 cars only

Back View of the PCM Connector C1


Object Number: 60615  Size: CF

Connector Part Information

    • 1.0L VIN 6 Manual Transmission
    • 26 Pin GRN Connector C1

Pin

Wire Color

Function

C1-1

BLK/GRN

PCM Ground

C1-2

WHT/BLU

Ignition Positive Voltage

C1-3

RED/WHT

EVAP Canister Vent Solenoid Control

C1-4

PNK

HO2S 2 Heater Control

C1-5

RED/BLK

Exhaust Gas Recirculation (EGR) Bypass Valve Control

C1-6

GRN

Exhaust Gas Recirculation (EGR) Solenoid Vacuum Valve Control

C1-7

RED/GRN

EVAP Canister Purge Valve Control

C1-8

--

Not Used

C1-9

--

Not Used

C1-10

ORN

Ignition Trigger Signal

C1-11

GRY/YEL

Idle Speed Control (ISC) Motor Control

C1-12

YEL/BLK

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

BRN

Not Used

C1-24

GRY/RED

Idle Speed Control (ISC) Motor Control

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

    • 1.0L VIN 6 Manual Transmission
    • 16 Pin GRN Coonector C2

Pin

Wire Color

Function

C2-1

LT GRN

Reference Voltage

C2-2

ORN

Ignition Reference High for the CMP sensor

C2-3

WHT/BLK

Ignition Reference High for the CKP sensor

C2-4

GRY/GRN

Closed Throttle Position (CTP) Switch Signal

C2-5

LT GRN/RED

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 for the CMP sensor

C2-11

WHT/RED

Ignition Reference Low for the CKP sensor

C2-12

WHT/BLK

Early Fuel Evaporation (EFE) ON Signal

C2-13

RED

HO2S 1 Signal

C2-14

GRY

Intake Air Temperature (IAT) Sensor Input

C2-15

--

Not Used

C2-16

BLK/YEL

Clutch Pedal Position (CPP) Switch Input

Back View of the PCM Connector C3


Object Number: 60619  Size: CF

Connector Part Information

    • 1.0L VIN 6 Manual Transmission
    • 22 Pin GRN Coonector C3

Pin

Wire Color

Function

C3-1 to C3-5

--

Not Used

C3-6

BLU/YEL

Diagnostic Request Signal

C3-7

PPL/GRN

Test Switch Signal

C3-8

YEL

HO2S 2 Signal

C3-9

BLK/BLU

Fuel Gauge Ground

C3-10

YEL/RED

Fuel Level Sensor Input

C3-11

YEL/GRN

Vehicle Speed Sensor (VSS) Input

C3-12

PPL/WHT

Serial Data Output

C3-13 to C3-16

--

Not Used

C3-17

LT GRN/RED

A/C Cut-Out Control

C3-18

BRN/YEL

Electrical Load Idle-Up Signal

C3-19

BLU/RED

A/C Idle-Up Signal

C3-20

BLK/WHT

Ignition Positive Signal

C3-21

LT GRN/YEL

Fuel Tank Pressure Sensor Input

C3-22

--

Not Used