Engine Controls Connector End Views

1

Lt Blu/Blk

647

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 B2

Long Crank Time Before Engine Starts

8

Not Used

9

Lt Blu

697

EGR Vacuum Control signal solenoid valve

EGR Solenoid B

P0400 P0403 (3)

Detonation, Stall, Rough Idle, And Poor Performance

10

Dk Blu

473

Cooling fan relay #2 and #3 control

Fan Relays 86

P1642 (3)

Inoperative Cooling Fan Or Fan ON At All Times

11

Dk Grn

335

Cooling Fan relay #1 Control

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 86

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

23-30

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.

1

Dk Grn/Wht

762

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 (1)

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 (1)

6

Blk

470

Sensor Ground

ECT A, TP B, EOT A Trans M, EBTCM

P0118 (1) P0122 (1) P1118 (1) P0713 (1) P1188

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, CCM, Radio

P1652 (3,4)

Speedometer Inoperative

Cruise Inoperative

9-11

Not Used

12

Yel/Blk

1223

Transmission 2-3 Shift Solenoid control (LT1 Only)

Trans B

P0758 (3,4)

Second or Third Gear Only, No TCC Apply

13

Brn or Gry

897 or 324

Transmission 3-2 Shift Solenoid control (LT1 Only) or 2nd and 3rd Gear Blockout Relay Control (LT4 Only)

Trans S or 2nd and 3rd gear blockout relay 30

P0785 (3,4) or P1657

Harsh 3-2 Downshift, Third Gear Only

Or Will Not Blockout 2nd and 3rd Gear or 1st to 4th Gear Only

14

Red

631

Distributor Ignition Feed

Test Connector C Distributor C

Engine Cranks But Will Not Start

15

Red

142

PCM Battery Feed

*

*

Engine Cranks But Will Not Start

16

Blk

452

Sensor Ground

MAP A IAT A, A/C refrigerant pressure sensor 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 30 A/C clutch A

P1539 (4) P1546 (1)

A/C Inoperative

22

Lt Blu/Blk

396

Cruise Active signal

Cruise Control Module

modified Transmission Shift Patterns

23

Lt Blu

997

EVAP Vacuum Switch

EVAP Vacuum Switch B

P0441

P1441

24-27

Not Used

28

Gry

474

5 Volt reference

TP A, EBTCM

P0123 (3)

High Idle, Lack of Performance

29

Gry

416

5 Volt reference

MAP C, A/C Refrigerant Pressure Sensor B

P0107 (3) P0530 (3)

A/C Inoperative

30

Pnk

239

PCM Ignition Feed

*

Engine Cranks But Will Not Start

31

Red

142

PCM Battery Feed

*

32

Not Used

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)

9-10

Not Used

11

Lt Grn

981

ASR Active Signal

*

P1572

12

Gry/Blk

1687

ASR Spark Retard Signal

*

Poor Performance, ABS/TCS DTC 73

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 B

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

P0113 (1)

P0122 (2)

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)

P1106 (4)

P1107 (3)

Modified Shift Patterns

24

Not Used

25

Yel

410

ECT Sensor Signal

ECT B

P0117 (2)

P0118 (1)

P0125

P1114 (2)

P1114 (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 Run

1

Blk/Wht

451

PCM Ground

Engine Block

Engine Cranks But Will Not Run

2

Lt Blu/Wht

1229

Transmission Pressure Control Solenoid Low

Transmission D

P0748 (3)

Harsh Transmission Shifts

3

Pnk

239

PCM Ignition Feed

*

Engine Cranks But Will Not Run

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 86

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 All The Time

11

Tan/Blk

422

Transmission TCC Solenoid

Transmission T

TCC Inoperative or On All The Time

12

Red/Blk

380

A/C Refrigerant Pressure Sensor Signal

A/C Refrigerant Pressure Sensor C

P0530

A/C Inoperative

13-14

Not Used

15

Wht

375

1-4 Upshift Lamp Control

1 to 4 Upshift Lamp

P1664

A/C Inoperative

16-19

Not Used

20

Wht/Blk

448

Output/Field Service Enable

DLC 6 Low Pressure Tire Module

21

Lt Blu

1876

Bank 1 (Left) Knock Sensor (KS) Signal

Left Knock Sensor

P0327 (3)

Lack of Performance or Detonation

22

Dk Blu

496

Bank 2 (Right) Knock Sensor (KS) Signal

Right Knock Sensor

P0332 (3)

Lack of Performance or Detonation

23-25

Not Used

26

Dk Grn/Wht

357

Engine Oil Temperature Sensor Signal

EOT B

P1187

P1188

27

Not Used

28

Yel/Blk

1227

Transmission Fluid Temperature Sensor Signal

Transmission L

P0712

P1188

Early or Delayed Transmission Shifts

29

Tan

800

Serial Data (UART)

*

30

Tan

800

Serial Data (UART)

*

31-32

Not Used