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: Fuel Tank Pressure (FTP) Sensor
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 Injector 7
Table 14: Fuel Injector 8
Table 15: Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1
Table 16: Heated Oxygen Sensor (HO2S) Bank1 Sensor 2
Table 17: Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1
Table 18: Heated Oxygen Sensor (HO2S) Bank 2 Sensor 2
Table 19: Manifold Absolute Pressure (MAP) Sensor
Table 20: Mass Air Flow (MAF) Sensor
Table 21: Park/Neutral Position (PNP) Switch - C1
Table 22: Park/Neutral Position (PNP) Switch - C2
Table 23: Secondary Air Injection (AIR) Pump
Table 24: Secondary Air Injection (AIR) Solenoid
Table 25: Throttle Actuator Control (TAC) Module C1
Table 26: Throttle Actuator Control (TAC) Module C2
Table 27: Throttle Actuator Control (TAC) Motor
Table 28: Throttle Positon (TP) Sensor

Camshaft Position (CMP) Sensor


Object Number: 62453  Size: CH

Connector Part Information

    • 12059596
    • 3 Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

BRN/WHT

633

Camshaft Position (CMP) Sensor - Signal

B

PNK/BLK

632

Reference Low

C

RED

631

Ignition Feed

Crankshaft Position (CKP) Sensor


Object Number: 62453  Size: CH

Connector Part Information

    • 12059596
    • 3 Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

DK BLU/WHT

1869

Crankshaft Position (CKP) Sensor - Signal

B

YEL/BLK

1868

Reference Low

C

LT GRN

1867

Ignition Feed

Engine Coolant Temperature (ECT) Sensor


Object Number: 232831  Size: CH

Connector Part Information

    • 12162192
    • 2 Way F Metri-Pack 150.2 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

BRN

718

Engine Coolant Temperature (ECT) Sensor - Ground

B

YEL

410

Engine Coolant Temperature (ECT) Sensor - Signal

Evaporative Emission (EVAP) Canister Purge Solenoid


Object Number: 35437  Size: CH

Connector Part Information

    • 12052637
    • 2 Way Metri-Pack 150 Series (RED)

Pin

Wire Color

Circuit No.

Function

A

PNK

339

Ignition (Hot W/IGN Relay Energized)

B

DK GRN/WHT

428

EVAP Canister Purge Valve Control

Evaporative Emission (EVAP) Canister Vent Solenoid


Object Number: 35437  Size: CH

Connector Part Information

    • 12052637
    • 2 Way Metri-Pack 150 Series (RED)

Pin

Wire Color

Circuit No.

Function

A

PNK

339

Battery Positive Feed

B

WHT

1310

Canister Vent Vale Solenoid Output

Fuel Tank Pressure (FTP) Sensor


Object Number: 62453  Size: CH

Connector Part Information

    • 12059596
    • 3 Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

GRY

720

Fuel Level Sensor Ground

B

DK GRN

890

Fuel Tank Pressure Sensor Signal

C

GRY

598

5 Volt Reference Voltage

Fuel Injector 1


Object Number: 258295  Size: CH

Connector Part Information

    • 12065454
    • 2 Way F Metri-Pack 280.1 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

PNK

639

Ignition (ON and START)

B

BLK

1744

Fuel Injector #1 Control

Fuel Injector 2


Object Number: 258295  Size: CH

Connector Part Information

    • 12065454
    • 2 Way F Metri-Pack 280.1 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

PNK

839

Ignition (ON and START)

B

LT GRN/BLK

1745

Fuel Injector #2 Control

Fuel Injector 3


Object Number: 258295  Size: CH

Connector Part Information

    • 12065454
    • 2 Way F Metri-Pack 280.1 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

PNK

639

Ignition (ON and START)

B

PNK/BLK

1746

Fuel Injector #3 Control

Fuel Injector 4


Object Number: 258295  Size: CH

Connector Part Information

    • 12065454
    • 2 Way F Metri-Pack 280.1 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

PNK

839

Ignition (ON and START)

B

LT BLU/BLK

844

Fuel Injector #4 Control

Fuel Injector 5


Object Number: 258295  Size: CH

Connector Part Information

    • 12065454
    • 2 Way F Metri-Pack 280.1 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

PNK

639

Ignition (ON and START)

B

BLK/WHT

845

Fuel Injector #5 Control

Fuel Injector 6


Object Number: 258295  Size: CH

Connector Part Information

    • 12065454
    • 2 Way F Metri-Pack 280.1 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

PNK

839

Ignition (ON and START)

B

YEL/BLK

846

Fuel Injector #6 Control

Fuel Injector 7


Object Number: 258295  Size: CH

Connector Part Information

    • 12065454
    • 2 Way F Metri-Pack 280.1 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

PNK

639

Ignition (ON and START)

B

RED/BLK

877

Fuel Injector #7 Control

Fuel Injector 8


Object Number: 258295  Size: CH

Connector Part Information

    • 12065454
    • 2 Way F Metri-Pack 280.1 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

PNK

839

Ignition (ON and START)

B

DK BLU/WHT

878

Fuel Injector #8 Control

Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1


Object Number: 320619  Size: CH

Connector Part Information

    • 12162143
    • 4 Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

TAN/WHT

1653

LF Heated Oxygen Sensor (HO2S) - Low

B

PPL/WHT

1665

LF Heated Oxygen Sensor (HO2S) - High

C

BLK

150

Ground

D

BRN

241

Ignition (ON)

Heated Oxygen Sensor (HO2S) Bank1 Sensor 2


Object Number: 280761  Size: CH

Connector Part Information

    • 12160825
    • 4 Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

TAN/WHT

1669

LR Heated Oxygen Sensor (HO2S) - Low

B

PPL/WHT

1668

LR Heated Oxygen Sensor (HO2S) - High

C

BLK

150

Ground

D

BRN

241

Ignition (ON)

Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1


Object Number: 320619  Size: CH

Connector Part Information

    • 12162143
    • 4 Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

TAN

1667

Heated Oxygen Sensor (HO2S) - Low

B

PPL

1666

Heated Oxygen Sensor (HO2S) - High

C

BLK

150

Ground

D

BRN

241

Ignition (ON)

Heated Oxygen Sensor (HO2S) Bank 2 Sensor 2


Object Number: 280761  Size: CH

Connector Part Information

    • 12160825
    • 4 Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

TAN

1671

RR Heated Oxygen Sensor (HO2S) - Low

B

PPL

1670

RR Heated Oxygen Sensor (HO2S) - High

C

BLK

150

Ground

D

BRN

241

Ignition (ON)

Manifold Absolute Pressure (MAP) Sensor


Object Number: 68740  Size: CH

Connector Part Information

    • 12129945
    • 3 Way F Metri Pack 150 Series (GRY)

Pin

Wire Color

Circuit No.

Function

A

ORN/BLK

469

Manifold Absolute Pressure (MAP) Sensor - Ground

B

LT GRN

432

Manifold Absolute Pressure (MAP) Sensor - Signal

C

GRY

416

Manifold Absolute Pressure (MAP) Sensor - 5.0V Reference

Mass Air Flow (MAF) Sensor


Object Number: 366067  Size: CH

Connector Part Information

    • 15305555
    • 5 Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

PPL

719

Low Reference

B

TAN

472

IAT Sensor Signal

C

BLK/WHT

451

Ground

D

PNK

339

Ignition Feed

E

YEL

492

Mass Air Flow (MAF) Sensor - Signal

Park/Neutral Position (PNP) Switch - C1


Object Number: 68780  Size: CH

Connector Part Information

    • 12129839
    • 7 Way F Metri-Pack Mixed Series (GRY)

Pin

Wire Color

Circuit No.

Function

A

-

-

Not Used

B

ORN/BLK

434

Trans Mounted Neutral Safety Switch Signal

C

BRN

341

Ignition Feed

D

BLK/WHT

851

Ground

E

PPL

1606

Ignition Feed

F

GRY

1524

Back - Up Lamp Feed - Monitored

G

YEL

269

Theft Deterrent Relay Feed - Coil

Park/Neutral Position (PNP) Switch - C2


Object Number: 40412  Size: CH

Connector Part Information

    • 12191750
    • 4 Way F Metri-Pack 150 Series (NAT)

Pin

Wire Color

Circuit No.

Function

A

BLK/WHT

771

PRND - A

B

GRY

773

PRND - C

C

WHT

776

PRND - P

D

YEL

772

PRND - B

Secondary Air Injection (AIR) Pump


Object Number: 365990  Size: CH

Connector Part Information

    • 12191968
    • 2 Way F

Pin

Wire Color

Circuit No.

Function

A

RED

78

Secondary Air Injection Pump Motor - Feed

B

BLK

150

Ground

Secondary Air Injection (AIR) Solenoid


Object Number: 35437  Size: CH

Connector Part Information

    • 12052635
    • 2 Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

PNK

339

Ignition (ON)

B

PPL

421

Air Solenoid Control

Throttle Actuator Control (TAC) Module C1


Object Number: 212072  Size: CH

Connector Part Information

    • 12186688
    • 10 Way F Micro-- Pack 100 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

GRY

1273

APP #3 Ground

B

PPL

1272

APP #2 Ground

C

LT BLU

1162

APP #2 Signal

D

TAN

1274

APP #2 5.0 Volt Reference

E

YEL/BLK

1275

APP #3 5.0 Volt Reference

F

DK BLU

1161

APP #1 Signal

G

LT BLU

1276

APP #1 5.0 Volt Reference

H

Not Used

J

BRN

1271

APP #1 Ground

K

DK GRN

1163

APP #3 Signal

Throttle Actuator Control (TAC) Module C2


Object Number: 154334  Size: CH

Connector Part Information

    • 12191065
    • 16 Way F Micro-Pack 100 Series (MD GRY)

Pin

Wire Color

Circuit No.

Function

1

DK BLU

417

TP Sensor #1 Signal

2

DK GRN/WHT

485

TP Sensor #1 5.0 Volt Reference

3

PPL

486

TP Sensor #1 Ground

4

DK BLU

84

Cruise Set/Coast Signal

5

GRY/BLK

87

Cruise Resume/Accel Signal

6

LT BLU

20

Stoplamp Switch Signal

7

PNK

539

Battery Positive Voltage Supply

8

BRN

582

Throttle Actuator Control Motor #2

9

YEL/BLK

487

TP Sensor #2 5.0 Volt Reference

10

WHT

484

TP Sensor #2 Ground

11

PNK

427

TP Sensor #2 Signal

12

TAN

800

Serial Data

13

ORN/BLK

1061

Serial Data

14

GRY

397

Cruise On/Off Signal

15

BLK/WHT

451

Ground

16

YEL

581

Throttle Actuator Control Motor #1

Throttle Actuator Control (TAC) Motor


Object Number: 258847  Size: CH

Connector Part Information

    • 12077901
    • 2 Way F Metri-Pack 280 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

YEL

581

Actuator control 1

B

BRN

582

Actuator control 2

Throttle Positon (TP) Sensor


Object Number: 40442  Size: CH

Connector Part Information

    • 12162209
    • 6 Way F Metri-Pack 150.2 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

DK GRN

485

Throttle Position (TP) Sensor #1 - 5V Reference

B

PPL

486

Throttle Position (TP) Sensor #1 - Ground

C

DK BLU

417

Throttle Position (TP) Sensor #1 - Signal

D

YEL/BLK

487

Throttle Position (TP) Sensor #2 - 5V Reference

E

WHT

484

Throttle Position (TP) Sensor #2 - Ground

F

PNK

427

Throttle Position (TP) Sensor #2 - Signal