GM Service Manual Online
For 1990-2009 cars only
Table 1: Camshaft Position (CMP) Sensor
Table 2: Crankshaft Position (CKP) Sensor
Table 3: Engine Coolant Temperature (ECT) Sensor
Table 4: Evaporative Emission (EVAP) Canister Purge Solenoid
Table 5: Evaporative Emission (EVAP) Canister Vent Solenoid
Table 6: Exhaust Gas Recirculation (EGR) Valve
Table 7: Fuel Injector #1
Table 8: Fuel Injector #2
Table 9: Fuel Injector #3
Table 10: Fuel Injector #4
Table 11: Fuel Injector #5
Table 12: Fuel Injector #6
Table 13: Fuel Pump and Sender Assembly
Table 14: Fuel Tank Pressure (FTP) Sensor
Table 15: Heated Oxygen Sensor (HO2S) Bank 1, Sensor 1
Table 16: Heated Oxygen Sensor (HO2S) Bank 1, Sensor 2
Table 17: Heated Oxygen Sensor (HO2S) Bank 2, Sensor 1
Table 18: Ignition Control Module (ICM)
Table 19: Intake Air Temperature (IAT) Sensor
Table 20: Knock Sensor (KS) 1
Table 21: Knock Sensor (KS) 2
Table 22: Manifold Absolute Pressure (MAP) Sensor
Table 23: Mass Air Flow (MAF) Sensor
Table 24: Throttle Actuator Control (TAC)
Table 25: Throttle Actuator Control (TAC) Module

Camshaft Position (CMP) Sensor


Object Number: 73223  Size: CH

Connector Part Information

    • 1216-2279
    • 3-Way F Metri-pack 150 Series (GRY)

Pin

Wire Color

Circuit No.

Function

A

BRN/WHT

633

CMP Sensor Signal

B

RED/BLK

645

Low Reference

C

WHT/BLK

644

10 Volt Reference

Crankshaft Position (CKP) Sensor


Object Number: 280765  Size: CH

Connector Part Information

    • 1216-2834
    •  4-Way F Metri-pack 150 Series (GRY)

Pin

Wire Color

Circuit No.

Function

A

LT BLU/WHT

1800

CKP Sensor 2 Signal

B

YEL

573

CKP Sensor 1 Signal

C

RED/BLK

645

Low Reference

D

WHT/BLK

644

10 Volt Reference

Engine Coolant Temperature (ECT) Sensor


Object Number: 518983  Size: CH

Connector Part Information

    • 1216-2194
    •  2-Way F Metri-pack 150 Series Sealed P2S (BLK)

Pin

Wire Color

Circuit No.

Function

A

BRN

718

Low Reference

B

YEL

410

ECT Sensor Signal

Evaporative Emission (EVAP) Canister Purge Solenoid


Object Number: 35437  Size: CH

Connector Part Information

    • 1205-2643
    • 2-Way F Metri-pack 150 Series Sealed (RED)

Pin

Wire Color

Circuit No.

Function

A

PNK

239

Ignition 1 Voltage

B

DK GRN/WHT

428

EVAP Canister Purge Solenoid Control

Evaporative Emission (EVAP) Canister Vent Solenoid


Object Number: 35437  Size: CH

Connector Part Information

    • 1205-2643
    • 2 Way F Metri-pack 150 Series (RED)

Pin

Wire Color

Circuit No.

Function

A

PNK

239

Ignition 1 Voltage

B

WHT

1310

EVAP Canister Vent Solenoid Control

Exhaust Gas Recirculation (EGR) Valve


Object Number: 68773  Size: CH

Connector Part Information

    • 1218-6056
    •  5 Way F Metri-pack 150 Series Pull to Seat Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

GRY

435

EGR Solenoid Control

B

BLK

552

Low Reference

C

BRN

1456

EGR Valve Position Signal

D

GRY

598

5 Volt Reference

E

LT BLU

697

EGR Valve Supply Voltage

Fuel Injector #1


Object Number: 334635  Size: CH

Connector Part Information

    • 1532-6181
    • 2-Way F Micro-pack 64 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

PNK

639

Ignition 1 Voltage

B

TAN

1744

Fuel Injector 1 Control

Fuel Injector #2


Object Number: 334635  Size: CH

Connector Part Information

    • 1532-6181
    • 2-Way F Micro-pack 64 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

PNK

639

Ignition 1 Voltage

B

LT GRN/BLK

1745

Fuel Injector 2 Control

Fuel Injector #3


Object Number: 334635  Size: CH

Connector Part Information

    • 1532-6181
    • 2-Way F Micro-pack 64 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

PNK

639

Ignition 1 Voltage

B

PNK/BLK

1746

Fuel Injector 3 Control

Fuel Injector #4


Object Number: 334635  Size: CH

Connector Part Information

    • 1532-6181
    • 2-Way F Micro-pack 64 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

PNK

639

Ignition 1 Voltage

B

LT BLU/BLK

844

Fuel Injector 4 Control

Fuel Injector #5


Object Number: 334635  Size: CH

Connector Part Information

    • 1532-6181
    • 2-Way F Micro-pack 64 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

PNK

639

Ignition 1 Voltage

B

BLK/WHT

845

Fuel Injector 5 Control

Fuel Injector #6


Object Number: 334635  Size: CH

Connector Part Information

    • 1532-6181
    • 2-Way F Micro-pack 64 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

PNK

639

Ignition 1 Voltage

B

YEL/BLK

846

Fuel Injector 6 Control

Fuel Pump and Sender Assembly


Object Number: 518981  Size: CH

Connector Part Information

    • 1216-0482
    • 4-Way F Metri-pack 150 Series Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

PPL

30

Fuel Level Sensor Signal

B

GRY

120

Fuel Pump Supply Voltage

C

BLK

150

Ground

D

BLK/WHT

651

Ground

Fuel Tank Pressure (FTP) Sensor


Object Number: 516611  Size: CH

Connector Part Information

    • 1205-9595
    • 3-Way F Metri-pack 150 Series Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

ORN/BLK

469

Low Reference

B

DK GRN

890

Fuel Tank Pressure Sensor Signal

C

GRY/BLK

416

5 Volt Reference

Heated Oxygen Sensor (HO2S) Bank 1, Sensor 1


Object Number: 518981  Size: CH

Connector Part Information

    • 1216-0482
    • 4-Way F Metri-pack 150 Series Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

TAN

/WHT

1653

HO2S Low Signal [Bank1 Sensor 1]

B

PPL/WHT

1665

HO2S High Signal [Bank 1 Sensor 1]

C

BLK

450

Ground

D

PNK

539

Ignition 1  Voltage

Heated Oxygen Sensor (HO2S) Bank 1, Sensor 2


Object Number: 280761  Size: CH

Connector Part Information

    • 1216-0825
    • 4 Way M Metri-pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

GRY

1981

HO2S Low Signal [Bank 1 Sensor 2]

B

DK BLU

1980

HO2S High Signal [Bank 1 Sensor 2]

C

BLK

450

Ground

D

PNK

539

Ignition 1 Voltage

Heated Oxygen Sensor (HO2S) Bank 2, Sensor 1


Object Number: 518981  Size: CH

Connector Part Information

    • 1216-0482
    • 4-Way Metri-pack 150 Series Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

TAN

1667

HO2S Low Signal [Bank 2 Sensor 1]

B

PPL

1666

HO2S High Signal [Bank 2 Sensor 1]

C

BLK

450

Ground

D

PNK

539

Ignition 1 Voltage

Ignition Control Module (ICM)


Object Number: 516619  Size: CH

Connector Part Information

    • 1212-4379
    • 14-Way F Metri-pack 150 Series Sealed P2S (BLK)

Pin

Wire Color

Circuit No.

Function

A

WHT

423

IC Timing Control

B

TAN/BLK

424

IC Timing Signal

C

LT BLU/BLK

647

Medium Resolution Engine Speed Signal

D

PPL/WHT

430

Low Resolution Engine Speed Signal

E

--

--

Not Used

F

BLK

630

Camshaft Position Signal

G

YEL

573

CKP Sensor 1 Signal

H

LT BLU/WHT

1800

CKP Sensor 2 Signal

J

BRN/WHT

633

CMP Signal Sensor

K

BLK

450

Ground

L

RED/BLK

453

Low Reference

M

RED/BLK

645

Low Reference

N

WHT/BLK

644

10 Volt Reference

P

PNK

239

Ignition 1 Voltage

Intake Air Temperature (IAT) Sensor


Object Number: 68719  Size: CH

Connector Part Information

    • 1216-2199
    • 2-Way F Metri pack 150.2 Series Sealed (GRY)

Pin

Wire Color

Circuit No.

Function

A

PPL

719

Low Reference

B

TAN

472

IAT Sensor Signal

Knock Sensor (KS) 1


Object Number: 95764  Size: CH

Connector Part Information

    • 12176800
    • 1-Way F Metri-Pack 150 Series Sealed (GRY)

Pin

Wire Color

Circuit No.

Function

1

DK BLU

496

KS 1 Signal

Knock Sensor (KS) 2


Object Number: 696940  Size: CH

Connector Part Information

    • 12065172
    • 1-Way F Metri-Pack 280 Series Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

LT BLU

1876

KS 2 Signal

Manifold Absolute Pressure (MAP) Sensor


Object Number: 68740  Size: CH

Connector Part Information

    • 1212-9946
    • 3-Way F Metri pack 150 Series (GRY)

Pin

Wire Color

Circuit No.

Function

A

ORN/BLK

469

Low Reference

B

LT GRN

432

MAP Sensor Signal

C

GRY

598

5 Volt Reference

Mass Air Flow (MAF) Sensor


Object Number: 62453  Size: CH

Connector Part Information

    • 1205-9595
    • 3-Way F Metri-pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

YEL

492

MAF Sensor Signal

B

BLK/WHT

451

Ground

C

PNK

539

Ignition 1 Voltage

Throttle Actuator Control (TAC)


Object Number: 130644  Size: CH

Connector Part Information

    • 1204-7937
    • 8-Way F Metri-pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK

476

Low Reference

B

PPL

486

TP Sensor 2 Signal

C

GRY

597

5 Volt Reference

D

BRN

582

Not Used

E

YEL

581

TAC Motor Control 1

F

GRY/BLK

1687

Ignition Retard Signal

G

DK GRN

485

TP Sensor 1 Signal

H

BLK

470

Low Reference

Throttle Actuator Control (TAC) Module


Object Number: 39784  Size: CH

Connector Part Information

    • 1212-9225
    • 24-Way F Micro-pack 100 Series (NAT)

Pin

Wire Color

Circuit No.

Function

1

YEL

581

TAC Motor Control - 1

2

--

--

Not Used

3

ORN

1540

Battery Positive Voltage

4

--

--

Not Used

5

BLK/WHT

451

Ground

6

--

--

Not Used

7

PNK

339

Ignition 1 Voltage

8

DK BLU

84

Cruise Control Set/Coast Switch Signal

9

LT BLU

20

Stop Lamp Supply Voltage

10

DK GRN

485

TP Sensor 1 Signal

11

GRY/BLK

1687

Ignition Retard Signal

12

BLK

470

Low Reference

13

BRN

582

TAC Motor Control - 2

14-15

--

--

Not Used

16

ORN/BLK

1061

UART Serial Data [Secondary]

17

BLK/WHT

451

Ground

18

TAN

800

UART Serial Data [Primary]

19

--

--

Not Used

20

GRY

397

Cruise Control On Switch Signal

21

GRY/BLK

87

Cruise Control Resume/Accel Switch Signal

22

PPL

486

TP Sensor 2 Signal

23

GRY

597

5 Volt Reference

24

BLK

476

Low Reference