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Connector C1 - 32 Pin Connector (Red)


Object Number: 20329  Size: CF

Connector C1 32 Pin Connector (Red)

(1) Open Circuit (2) Grounded Circuit (3) Open/Grounded Circuit (4) Shorted to Voltage (*) Refer to Electrical Diagnosis

Pin

Wire Color

Circuit No.

Function

Component Connector Cavity

DTC(s) Affected

Possible Symptoms From a Faulty Circuit

1

Yel

573

Crankshaft Position Sensor Signal

CKP C

P0335, P0336

Misfire diagnostic inoperative

2

Blk/Wht

451

PCM Ground

Engine Ground *

 

Engine cranks but will not start.

3

Blk

1744

Injector #1 Control

Injector #1 A

P0200 (3) P1222

Rough idle, Engine miss

4

Lt Blu/Blk

844

Injector #4 Control

Injector #4 A

P0200 (3) P1222

Rough idle, Engine miss

5

Yel/Blk

846

Injector #6 Control

Injector #6 A

P0200 (3) P1222

Rough idle, Engine miss

6

Red/Blk

877

Injector #7 Control

Injector #7 A

P0200 (3) P1222

Rough idle, Engine miss

7

Dk Grn/Wht

465

FP Relay Control

FP Relay 85

 

Long Crank Time Before Engine Starts

8

Not Used

9

Gry

435

EGR Vacuum Control signal solenoid valve

EGR Solenoid B

P0400 P0403 (3)

Detonation, Stall, Rough Idle, And Poor Performance

10

Dk Blu

473

Secondary Cooling fan relay control

Fan Relay 86

P1642 (3)

Inoperative Cooling Fan or Fan ON At All Times

11

Dk Grn

335

Primary cooling Fan relay Control. (not used with VO8 option)

Fan Relay 86

P1641 (3)

Inoperative Cooling Fan or Fan ON At All Times

12

Not Used

13

Wht

121

Engine Speed Output Signal

*

P1643 (3)

Tach inoperative

14

Brn

436

AIR Pump Relay Control

AIR Pump Relay C1

P0412 (3)

AIR Pump Inoperative or ON At All Times.

15-17

Not Used

18

Blk/Wht

451

PCM Ground

Engine Ground

*

 

Engine cranks but will not start.

19

Lt Grn/Blk

1745

Injector #2 Control

Injector #2 A

P0200 (3) P1222

Rough idle, Engine miss

20

Blk/Wht

845

Injector #5 Control

Injector #5 A

P0200 (3) P1222

Rough idle, Engine miss

21

Pnk/Blk

1746

Injector #3 Control

Injector #3 A

P0200 (3) P1222

Rough idle, Engine miss

22

Dk Blu/Wht

878

Injector #8 Control

Injector #8 A

P0200 (3) P1222

Rough idle, Engine miss

23

Orn/Blk

463

Traction Control System Spark Retard Request

C3-B

 

Poor Performance EBTCM DTC 74

24

Not Used

25

Blu

229

Fuel Enable Signal

*

P1626

Engine Cranks But Will Not Start

26-30

Not Used

31

Ppl

401

VSS Signal Low

VSS A

P0500 P0502 P0503 P1652 (1)

Inoperative Speedometer, Inoperative Cruise Control, Radio Volume will not increase with vehicle Speed. Transmission Restricted to second Gear.

32

Yel

400

VSS Signal High

VSS B

P0500 P0502 P0503 P1652 (1)

Inoperative Speedometer, Inoperative Cruise Control, Radio Volume will not increase with vehicle Speed. Transmission Restricted to second Gear.

Connector C2 - 32 Pin Connector (Black)


Object Number: 20329  Size: CF

PCM Connector C2 (Black)

(1) Open Circuit (2) Grounded Circuit (3) Open/Grounded Circuit (4) Shorted To Voltage * Refer To Electrical Diagnosis

Pin

Wire Color

Circuit No.

Function

Component Connector Cavity

DTC(s) Affected

Possible Symptoms From a Faulty Circuit

1

Dk Blue

214

A/C Request Signal

A/C Pressure cycling switch B

 

A/C Inoperative (1)

A/C ON at all times

2

Red/Blk

453

Low Resolution Signal

Test Connector A Distributor A

P1371 (3)

Engine Cranks But Will Not Start

3

Pnk/Blk

632

Distributor Reference Low Signal

Test Connector D Distributor D

 

Engine Cranks But Will Not Start (1)

4

Not Used

5

Wht

423

Ignition Control

Ignition Coil Module "B"

P1351 (1,4) P1361 (2)

Engine Cranks But Will Not Start

6

Blk

452

Sensor Ground

IAT A, TP sensor B Trans M,

P0118 (1) P0122 (1) P1118 (1) P0713 (1)

Lack of Power, Rough Idle, High Idle and TCC May Not Apply Properly

7

Lt Grn

1222

Transmission 1-2 Shift Solenoid control

Trans A

P0753 (3,4)

Second and Third Gear, or Forth Gear Only

8

Dk Grn/Wht

817

VSS Output

Cruise module and I/P

P1652 (3,4)

Speedometer Inoperative

Cruise Inoperative

9-10

Not Used

11

Brn/Wht

1173

Low Oil Lamp Control

*

P1653

Low Oil Lamp ON at all times or OFF at all times

12

Yel/Blk

1223

Transmission 2-3 Shift Solenoid control

Trans B

P0758 (3,4)

Second or Third Gear Only, No TCC Apply

13

Brn

687

Transmission 3-2 Shift Solenoid control

Transmission S

P0785 (3,4)

Harsh 3-2 Downshift, Third Gear Only

14

Red

631

Distributor Ignition Feed

Test Connector C Distributor C

 

Engine Cranks But Will Not Start

15

Orn

440

PCM Battery Positive Voltage

*

*

Engine Cranks But Will Not Start (3)

16

Ppl

455

Sensor Ground

MAP A ECT A

P0113 (1) P0108 (1) P0530 (1)

Poor Performance, A/C Inoperative

17-18

Not Used

19

Yel

492

MAF Sensor Signal

MAF A

P0100 P0101 P0102 (2) P0103

Engine Stall, Hesitation When Malfunction Occurs

20

Ppl/Wht

430

High Resolution Signal

Test Connector B Distributor B

P1372 (3,4)

Engine Surge, Lack of Power

21

Dk Grn

59

A/C Clutch Status

A/C clutch relay C7 A/C clutch B

P1539 (4) P1546 (1)

A/C Inoperative

22

Tan/Wht

585

TCC Fluid Temperature Switch Signal (5.7 Only)

TCC fluid temperature sensor

 

Modified transmission shift patterns

23

Ppl

1986

EVAP Vacuum Switch

EVAP Vacuum Switch B

P0441 P1441

 

24-25

Not Used

26

Orn/Blk

495

PSP Switch signal

PSP A

 

Stalling, unstable idle

27

Brn

1174

Engine oil level sensor signal

Oil level sensor B

 

Incorrect low oil lamp operation.

28

Gry

416

5 Volt reference

TP sensor A A/C refrigerant pressure sensor B

P0123 (3)

High Idle, Lack of Performance

29

Gry

474

5 Volt reference

MAP sensor C

P0107 (3)

P0530 (3)

A/C Inoperative

30

Pnk

539

PCM Ignition Positive Voltage

 

Engine Cranks But Will Not Start

31

Orn

440

PCM Battery Positive Voltage

   

32

Not Used

Connector C3 - 32 Pin Connector (Clear or Gray)


Object Number: 20329  Size: CF

PCM Connector C3 (Clear or Gray)

(1) Open Circuit (2) Grounded Circuit (3) Open/Grounded Circuit (4) Shorted to Voltage (*) Refer to Electrical Diagnosis

Pin

Wire Color

Circuit No.

Function

Component Connector Cavity

DTC(s) Affected

Possible Symptoms From a Faulty Circuit

1

Lt Blu/Wht

1747

IAC Coil A High

IAC D

P0506

P0507

P1508

P1509

Incorrect Idle, Surge, Stall

2

Lt Blu/Blk

1748

IAC Coil A Low

IAC C

P0506

P0507

P1508

P1509

Incorrect Idle, Surge, Stall

3

Tan

1671

Bank 2 (Right Rear) HO2S #2 Low

HO2S A

  

4

Ppl

1670

Bank 2 (Right Rear) HO2S #2 High

HO2S B

  

5

Lt Grn/Blk

444

IAC Coil B Low

IAC A

P0506

P0507

P1508

P1509

Incorrect Idle, Surge, Stall

6

Lt Grn/Wht

1749

IAC Coil B High

IAC B

P0506

P0507

P1508

P1509

Incorrect Idle, Surge, Stall

7

Tan

1667

Bank 2 (Right Front) HO2S #2 Low

HO2S A

P0154 (1)

Rough Idle, Lean Exhaust, Poor Performance and Poor Fuel Economy

8

Ppl

1666

Bank 2 (Right Front) HO2S #2 High

HO2S B

P0151 (2)

P0152 (4)

Rough Idle, Lean Exhaust, Poor Performance and Poor Fuel Economy

9-13

Not Used

14

Ppl

420

Brake Switch Signal

Brake Switch A

P0703 (3,4)

No TCC

15

Orn/Blk

434

PNP Switch

PNP Switch B

 

Poor Fuel Economy, Stall, Incorrect Idle

16

Red/Blk

1228

Transmission Pressure Control Solenoid

Transmission C

P0748 (3)

Harsh Transmission Shift

17

Tan/Wht

1669

Bank 1 (Left Rear) HO2S #2 Low

HO2S A

P0140 (1)

 

18

Ppl/Wht

1668

Bank 1 (Left Rear) HO2S #2 High

HO2S B

P0137

P0138

P0140

 

19

Tan/Wht

1653

Bank 1 (Left Front) HO2S #1 Low

HO2S A

P0134 (1)

Rough Idle, Lean Exhaust, Poor Performance and Poor Fuel Economy

20

Ppl/Wht

1665

Bank 1 (Left Front) HO2S #1 High

HO2S B

P0131 (2)

P0132 (4)

P0134 (1)

Rough Idle, Lean Exhaust, Poor Performance and Poor Fuel Economy

21

Tan

472

IAT Sensor Signal

IAT B

P0112 (2)

P0113 (1)

P1111 (2)

P1112 (1)

Poor Fuel Economy

22

Dk Blu

417

TP Sensor Signal

TP Sensor C

P0121

P0122 (4)

P0123 (3)

P1121 (3)

P1122 (4)

High Idle, Lack of Power, Harsh Transmission Shifts

23

Lt Grn

432

MAP Sensor Signal

MAP B

P0106

P0107 (3)

P0108 (4)

P1107 (3)

Modified Shift Patterns

24

Not Used

25

Yel

410

ECT Sensor Signal

ECT B

P0117 (2)

P0118 (1)

P0125

P1114 (2)

P1115 (1)

Exhaust Odor, Rough Idle, Poor Fuel Economy, TCC Apply Cold

26-27

Not Used

28

Pnk

1224

Transmission Range Signal A

Transmission N

P1810 (3)

No TCC, Harsh Shift

29

Dk Blu

1225

Transmission Range Signal B

Transmission R

P1810 (3)

No TCC, Harsh Shift

30

Red

1226

Transmission Range C

Transmission P

P1810 (3)

No TCC, Harsh Shift

31

Not Used

32

Blk/Whit

451

PCM Ground

Engine Block

 

Engine Cranks But Will Not Start

Connector C4 - 32 Pin Connector (Blue)


Object Number: 20329  Size: CF

PCM Connector C4 (Blue)

(1) Open Circuit (2) Grounded Circuit (3) Open/Grounded Circuit (4) Shorted to Voltage (*) Refer to Electrical Diagnosis

Pin

Wire Color

Circuit No.

Function

Component Connector Cavity

DTC(s) Affected

Possible Symptoms From a Faulty Circuit

1

Blk/Wht

451

PCM Ground

Engine Block

 

Engine Cranks But Will Not Start

2

Lt Blu/Wht

1229

Transmission Pressure Control Solenoid Low

Transmission D

P0748 (3)

Harsh Transmission Shifts

3

Pnk

539

PCM Ignition Positive Voltage

*

 

Engine Cranks But Will Not Start

4-5

Not Used

6

Brn

418

Transmission TCC PWM Solenoid

Transmission U

 

TCC Inoperative

7

Ppl

1807

Serial Data (Class 2)

DLC 2

 

No Scan Tool Communications

8

Dk Grn/Wht

459

A/C Cutch Control

A/C Clutch Relay D7

P1545

P1539

A/C Clutch Inoperative, A/C on At All Times

9

Brn/Wht

419

MIL Control

*

P1661

MIL On All Times or MIL Inoperative

10

Dk Grn/Wht

428

EVAP Canister Purge Solenoid Valve Control

EVAP Canister Purge Solenoid Valve B

P0443

P0441

Purge Inoperative or Purge On At All Times (3)

11

Tan/Blk

422

Transmission TCC Solenoid

Transmission T

 

TCC Inoperative or On At All Times

12

Red/Blk

380

A/C Refrigerant Pressure Sensor Signal

A/C Refrigerant Pressure Sensor C

P0530

A/C Inoperative

13-15

Not Used

16

Pnk

1439

Change Oil Lamp Control

Change oil lamp

P1663

Light ON at all times or light OFF at all times.

17-20

Not Used

21

Lt Blu

1876

Bank 1 (Left) KS Signal

Left Knock Sensor

P0327 (3)

Lack of performance and/or detonation

22

Dk Blu

496

Bank 2 (Right) KS Signal

Right Knock Sensor

P0332 (3)

Lack of performance and/or detonation

23-27

Not Used

28

Yel/Blk

1227

Transmission Fluid Temperature Sensor Signal

Transmission L

P0712

P0713

Early or Delayed Transmission Shifts

29

Not Used

30

Tan

800

Serial Data (UART)

*

  

31-32

Not Used