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 2
    • 26 Pin GRN Connector C1

Pin

Wire Color

Function

1

BLK/GRN

PCM Ground

2

WHT/BLU

Ignition Positive Voltage

3

PNK/BLU

EVAP Canister Purge Valve Control

4

PNK

HO2S 2 Heater Control

5

ORN/GRN

Shift Solenoid-B (A/T only)

6

ORN

Shift Solenoid-A (A/T only)

7

RED/GRN

EVAP Canister Purge Valve Control

8-9

--

Not Used

10

GRY/RED

Ignition Trigger Signal 1-4 Coil

11

BRN/BLK

Fuel Injector Control No.3

12

BRN/WHT

Fuel Injector Control No.1

13

BLK/BLU

PCM Ground

14

WHT

Memory Power Input

15

WHT/BLU

Ignition Positive Voltage

16

LT GRN/RED

EVAP Tank Pressure Control Solenoid Valve Control

17

PPL/YEL

Malfunction Indicator Lamp (MIL) Control

18

PNK/WHT

Fuel Pump Relay Control

19

BLU/BLK

Main Relay Control

20

BLU

Engine Cooling Fan Relay Control

21-22

--

Not Used

23

GRY/BLU

Ignition Trigger Signal 2-3 Coil

24

BRN/YEL

Fuel Injector Control No.4

25

BRN/RED

Fuel Injector Control No.2

26

BLK/RED

PCM Ground

Back View of the PCM Connector C2


Object Number: 60622  Size: CF

Connector Part Information

    • 1.3L VIN 2
    • 16 Pin GRN Connector C2

Pin

Wire Color

Function

1

LT GRN

Reference Voltage

2

ORN

Ignition Reference (CMP Sensor)

3

WHT/BLK

Ignition Reference High (CKP Sensor)

4

PPL

Vehicle Speed Sensor (VSS) High - A/T

YEL/GRN

Vehicle Speed Sensor (VSS) - M/T

5

ORN/GRN

Manifold Absolute Pressure (MAP) Sensor Input

6

LT GRN/WHT

Throttle Position (TP) Sensor Input

7

PNK/BLK

HO2S 1 Heater Control

8

YEL

Not Used

9

LT GRN/BLK

Sensor Ground

10

GRY/WHT

Engine Coolant Temperature (ECT) Sensor Input

11

WHT/RED

Ignition Reference Low (CKP Sensor)

12

GRY/YEL

Vehicle Speed Sensor (VSS) Low (A/T only)

13

RED

HO2S 1 Signal

14

GRY

Intake Air Temperature (IAT) Sensor Input

15

BLU/WHT

Power Steering Pressure Switch Input

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 2
    • 22 Pin GRN Connector C3

Pin

Wire Color

Function

1

--

Not Used

2

2

RED/YEL

Idle Air Control (IAC) Valve

3

GRN

2 Position Signal (A/T only)

4

ORN/YEL

N Position Signal (A/T only)

5

ORN/BLK

P Position Signal (A/T only)

6

BRN

Tachometer (if equipped)

7-8

--

No Used

9

BLK/BLU

Ground (with tachometer only)

10

YEL

HO2S 2 Signal

11

YEL/RED

Fuel Level Sensor Input

12

PPL/WHT

Serial Data Output

13

--

Not Used

14

GRN/BLU

L Position Signal (A/T only)

15

GRN/RED

D Position Signal (A/T only)

16

RED

R Position Signal (A/T only)

17

GRY

A/C Cut-Out Control

18

BRN/WHT

Electrical Load Idle-Up Signal

19

BLU/RED

A/C Idle-Up Signal

20

BLK/WHT

Ignition Positive Voltage

21

LT GRN/YEL

Fuel Tank Pressure Sensor Input

22

LT GRN/BLK

Sensor Ground