April 5, 2026: LEMON Manuals is launched! Read the announcement.

Powertrain Control Module (Pcm) - 4.3L ("P" Series)

POWERTRAIN CONTROL MODULE (PCM) - 4.3L ("P" SERIES) ⁽¹⁾

Connector

Terminal No.

Wire Color

Function

C1 (Blue)

1 & 2

.....

Not Used

C1 (Blue)

3

BRN/WHT

CMP Sensor 1x Signal

C1 (Blue)

4

PNK

Ignition Voltage

C1 (Blue)

5 & 6

.....

Not Used

C1 (Blue)

7

TAN

HO2S Bank 2 Sensor 1 Low

C1 (Blue)

8

PNK/BLK

CMP Sensor Ground

C1 (Blue)

9

PPL

Fuel Level Signal

C1 (Blue)

10-14

.....

Not Used

C1 (Blue)

15

YEL/BLK

VSS Output

C1 (Blue)

16-18

.....

Not Used

C1 (Blue)

19

PPL/WHT

HO2S Bank 1 Sensor 1 High

C1 (Blue)

20

.....

Not Used

C1 (Blue)

21

PPL

HO2S Bank 2 Sensor 1 High

C1 (Blue)

22

PPL/WHT

HO2S Bank 1 Sensor 3 High

C1 (Blue)

23 & 24

.....

Not Used

C1 (Blue)

25

TAN/WHT

HO2S Bank 1 Sensor 1 Low

C1 (Blue)

26

TAN/WHT

HO2S Bank 1 Sensor 3 Low

C1 (Blue)

27

.....

Not Used

C1 (Blue)

28

PPL

CKP Sensor Ground

C1 (Blue)

29

LT GRN/BLK

VSS Low

C1 (Blue)

30

PPL/WHT

VSS High

C1 (Blue)

31

YEL

CKP Sensor 4x Signal

C1 (Blue)

32

.....

Not Used

C2 (Red)

1

.....

Not Used

C2 (Red)

2

WHT

EVAP Canister Vent Solenoid Control

C2 (Red)

3

.....

Not Used

C2 (Red)

4

YEL/BLK

2-3 Shift Solenoid Control

C2 (Red)

5

.....

Not Used

C2 (Red)

6

LT GRN

1-2 Shift Solenoid Control

C2 (Red)

7

BRN

TCC PWM Solenoid Control

C2 (Red)

8

BLK

Fuel Injector No. 1 Control

C2 (Red)

9

YEL/BLK

Fuel Injector No. 6 Control

C2 (Red)

10

BRN

EGR Pintle Position Signal

C2 (Red)

11 & 12

.....

Not Used

C2 (Red)

13

LT GRN/WHT

IAC Coil B High

C2 (Red)

14

LT BLU/WHT

IAC Coil A High

C2 (Red)

15

LT GRN/BLK

Fuel Injector No. 2 Control

C2 (Red)

16

PNK/BLK

Fuel Injector No. 3 Control

C2 (Red)

17 & 18

.....

Not Used

C2 (Red)

19

DK BLU

KS Signal

C2 (Red)

20

.....

Not Used

C2 (Red)

21

LT GRN

MAP Sensor Signal

C2 (Red)

22

TAN

IAT Sensor Signal

C2 (Red)

23

YEL

ECT Sensor Signal

C2 (Red)

24

DK BLU

TP Sensor Signal

C2 (Red)

25

DK GRN

Fuel Tank Pressure Sensor Signal

C2 (Red)

26

.....

Not Used

C2 (Red)

27

YEL/BLK

TFT Sensor Signal

C2 (Red)

28

YEL

MAF Sensor Signal

C2 (Red)

29

LT GRN/BLK

IAC Coil B Low

C2 (Red)

30

LT BLU/BLK

IAC Coil A Low

C2 (Red)

31

BLK/WHT

Fuel Injector No. 5 Control

C2 (Red)

32

LT BLU/BLK

Fuel Injector No. 4 Control

C3 (Clear)

1

DK GRN/WHT

A/C Compressor Clutch Relay Control

C3 (Clear)

2

DK GRN/WHT

EVAP Canister Purge Solenoid Control

C3 (Clear)

3

.....

Not Used

C3 (Clear)

4

BLK

ECT/TP Sensor Ground

C3 (Clear)

5

.....

Not Used

C3 (Clear)

6

RED/BLK

Pressure Control Solenoid High

C3 (Clear)

7

BLU/WHT

Input Shaft Speed Sensor Low

C3 (Clear)

8

RED/BLK

Input Shaft Speed Sensor High

C3 (Clear)

9

WHT

IC Control

C3 (Clear)

10

.....

Not Used

C3 (Clear)

11

RED

Transmission Range C Signal

C3 (Clear)

12

GRY

TP Sensor Reference Voltage

C3 (Clear)

13

PPL

Fuel Level Input Signal

C3 (Clear)

14 & 15

.....

Not Used

C3 (Clear)

16

LT BLU/WHT

Pressure Control Solenoid Low

C3 (Clear)

17

BLK/WHT

PCM Ground

C3 (Clear)

18

BLK/WHT

PCM Ground

C3 (Clear)

19

BLK

Sensor Ground

C3 (Clear)

20

.....

Not Used

C3 (Clear)

21

ORG

Battery Voltage

C3 (Clear)

22

DK BLU

Transmission Range B Signal

C3 (Clear)

23

PNK

Transmission Range A Signal

C3 (Clear)

24

.....

Not Used

C3 (Clear)

25

DK GRN/WHT

A/C Request Signal

C3 (Clear)

26

.....

Not Used

C3 (Clear)

27

GRY

Reference Voltage (EGR/MAP)

C3 (Clear)

28 & 29

.....

Not Used

C3 (Clear)

30

DK GRN

A/C Signal

C3 (Clear)

31 & 32

.....

Not Used

C4 (Black)

1

DK GRN/WHT

Fuel Pump Relay Control

C4 (Black)

2 & 3

.....

Not Used

C4 (Black)

4

DK GRN

VSS Output (Speedometer)

C4 (Black)

5

BRN/WHT

MIL Control

C4 (Black)

6-9

.....

Not Used

C4 (Black)

10

PPL

Brake Signal

C4 (Black)

11

PPL

Serial Data (Class II)

C4 (Black)

12

.....

Not Used

C4 (Black)

13

BRN

Ignition Voltage

C4 (Black)

14 & 15

.....

Not Used

C4 (Black)

16

RED

EGR Valve Control

C4 (Black)

17

.....

Not Used

C4 (Black)

18

PNK

Ignition Voltage

C4 (Black)

19

.....

Not Used

C4 (Black)

20

WHT

EGR Valve Ground

C4 (Black)

21-24

.....

Not Used

⁽¹⁾	See Figure.