Powertrain Control Module Connector End Views. Chevrolet Tracker

For 1990-2009 cars only

Makes 🢒 Chevrolet 🢒 2003 🢒 Tracker - 2WD 🢒 Brakes 🢒 Antilock Brake System 🢒 Powertrain Control Module Connector End Views

Table 1:	Back View of the PCM Connector C1
Table 2:	Back View Of the PCM Connector C2
Table 3:	Back View Of the PCM Connector C3
Table 4:	Back View Of the PCM Connector C4

Back View of the PCM Connector C1

Connector Part Information

•	2.0L VIN C Powertrain

•	35 Pin Gray Connector C1 with Blue Terminal Secondary Lock Insert

Wire Color

Function

C1-1

GRY/RED

Fuel Tank Pressure Sensor Reference Voltage

C1-2

WHT

Battery Positive Voltage

C1-3

PNK/GRN

HO2S 2 Heater Control

C1-4

GRY

TP Signal (for cruise control, if equipped)

C1-5

Not Used

C1-6

BRN

Tachometer

C1-7

PPL/YEL

MIL Control

C1-8

GRY/WHT

A/C Cut-Out Control

C1-9

BLU

Main Relay Control

C1-10

GRY/GRN

Fuel Vapor Temperature Sensor Input

C1-11 TO C1-12

Not Used

C1-13

PPL/GRN

Serial Data Output

C1-14

Not Used

C1-15

BLK/ORN

Electrical Load Diode Signal (rear defogger switch)

C1-16

PNK/WHT

HVAC Blower Idle-Up Signal

C1-17

YEL/BLK

A/C Idle-Up Signal

C1-18

Not Used

C1-19

ORN/BLK

4WD Indicator Lamp Control

C1-20

WHT/BLK

O/D Indicator Lamp Control (A/T only)

C1-21

GRY/BLU

Power/Normal Indicator Lamp Control (A/T only)

C1-22

YEL/BLU

A/C Condenser Fan Relay Control

C1-23

WHT/GRN

Fuel Pump Relay Control

C1-24

GRY/YEL

HO2S 2 Sensor Ground

C1-25

Not Used

C1-26

RED/GRN

HO2S 2 Signal

C1-27

BRN/RED

Fuel Tank Pressure Sensor Input

C1-28

BLU/WHT

Fuel Tank Level Sensor Input

C1-29

Not Used

C1-30

PNK/BLK

EBCM Idle-Up Signal (ABS only)

C1-31

ORN/BLU

Shift Mode Input (A/T only)

C1-32

RED/YEL

Tail Lamp Idle-Up Signal (A/T only)

C1-33

YEL/RED

O/D Switch Signal (A/T only)

C1-34

GRN/WHT

Brake Switch Signal

C1-35

PNK/BLU

O/D Cut Signal (from cruise control servo, if equipped)

Back View Of the PCM Connector C2

Connector Part Information

•	2.0L VIN C Powertrain

•	26 Pin Gray Connector C2 with Blue Terminal Secondary Lock Insert

Wire Color

Function

C2-1

LT BLU

IAT Sensor Input

C2-2

ORN/BLK

ECT Sensor Input

C2-3

BLK

Knock Sensor Input

C2-4

BLU/BLK

Ignition Positive Voltage

C2-5

PPL/GRN

MAF Sensor Ground

C2-6

BLK/GRN

Ground

C2-7

BLU/ORN

PSP Switch Idle-Up Signal

C2-8

RED/WHT

MAP Sensor Input

C2-9

RED/GRN

TP Sensor Input

C2-10

PPL/WHT

MAF Sensor Input

C2-11

RED

HO2S 1 Signal

C2-12

Bare

HO2S 1 Sensor Shield Ground

C2-13

GRY/RED

TP Sensor Reference Voltage

C2-14

WHT/RED

MAP Sensor Reference Voltage

C2-15

BLU/BLK

Ignition Positive Voltage

C2-16

Not Used

C2-17

BLK/BLU

Ground

C2-18

BLK/YEL

Crank Signal

C2-19

Not Used

C2-20

BLK/WHT

Ignition Positive Voltage

C2-21

GRY/YEL

Sensor Ground

C2-22

GRY/YEL

HO2S 1 Sensor Ground

C2-23 to C2-24

Not Used

C2-25

BLU/WHT

Sensor Ground

C2-26

PPL/RED

CMP Sensor Ground

Back View Of the PCM Connector C3

Connector Part Information

•	2.0L VIN C Powertrain

•	28 Pin Connector C3 with Orange Terminal Secondary Lock Insert

Wire Color

Function

C3-1

GRN/RED

Shift Solenoid #2 Control

C3-2

GRN

Shift Solenoid #1 Control

C3-3 TO C3-7

Not Used

C3-8

GRN/YEL

TCC Solenoid Control

C3-9

Not Used

C3-10

BLU/GRN

A/T Input Shaft Speed Sensor Signal Low

C3-11

BLU/YEL

A/T Input Shaft Speed Sensor Signal High

C3-12 to C3-14

Not Used

C3-15

YEL/GRN

TR Switch D Position Signal

C3-16

ORN/BLU

TR Switch N Position Signal

C3-17

RED

TR Switch R Position Signal

C3-18

ORN/GRN

TR Switch P Position Signal

C3-19

Not Used

C3-20

BLK

A/T Output Shaft Speed Sensor Shielded Ground

C3-21

BLK

A/T Input Shaft Speed Sensor Shielded Ground

C3-22

ORN

A/T Output Shaft Speed Sensor Signal Low

C3-23

WHT

A/T Output Shaft Speed Sensor Signal High

C3-24 to C3-25

Not Used

C3-26

ORN/WHT

4WD Low Signal

C3-27

GRN/BLU

TR Switch L Position Signal

C3-28

GRN/ORN

TR Switch 2 Position Signal

Back View Of the PCM Connector C4

Connector Part Information

•	2.0L VIN C Powertrain

•	30 Pin Gray Connector C4 with Green Terminal Secondary Lock Insert

Wire Color

Function

C4-1

PNK/BLK

Fuel Injector #2 Control

C4-2

PNK

Fuel Injector #1 Control

C4-3

LT GRN/BLK

IAC Valve Coil Control

C4-4

GRY

HO2S 1 Heater Control

C4-5

PPL/RED

EVAP Canister Vent Solenoid Control

C4-6

GRN/WHT

EVAP Tank Pressure Control Solenoid Valve Control - if equipped

C4-7

RED

4WD Actuator Control

C4-8

PNK/BLU

Fuel Injector #4 Control

C4-9

PNK/GRN

Fuel Injector #3 Control

C4-10

PPL/YEL

IAC Valve Coil Control

C4-11

GRY/BLU

IAC Valve Coil Control

C4-12

PPL/BLK

IAC Valve Coil Control

C4-13

LT GRN/RED

EGR Valve Coil Control

C4-14

LT GRN/YEL

EGR Valve Coil Control

C4-15

LT GRN/WHT

EGR Valve Coil Control

C4-16

LT GRN

EGR Valve Coil Control

C4-17

GRN/BLK

EVAP Canister Purge Valve Control

C4-18

BLK/ORN

4WD Signal

C4-19

WHT/BLU

CKP Sensor Signal High

C4-20

ORN/BLU

CKP Sensor Signal Low

C4-21

BRN/YEL

Ignition Coil #4 Control

C4-22

BRN/WHT

Ignition Coil #3 Control

C4-23

BRN/BLK

Ignition Coil #2 Control

C4-24

BRN

Ignition Coil #1 Control

C4-25

BLU/YEL

VSS Signal

C4-26

YEL/BLU

CMP Sensor Signal

C4-27

PNK

4WD Actuator Control

C4-28

BLK/BLU

Ground

C4-29

BLK/GRN

DLC Ground

C4-30

Bare

CKP Sensor Shielded Ground