GM Service Manual Online
For 1990-2009 cars only
Table 1: Accelerator Pedal Position (APP) Sensor
Table 2: Camshaft Position (CMP) Sensor
Table 3: Crankshaft Position (CKP) Sensor
Table 4: Engine Coolant Temperature (ECT) Sensor
Table 5: Evaporative Emission (EVAP) Canister Purge Solenoid Valve
Table 6: Fuel Injector 1
Table 7: Fuel Injector 2
Table 8: Fuel Injector 3
Table 9: Fuel Injector 4
Table 10: Fuel Injector 5
Table 11: Fuel Injector 6
Table 12: Fuel Injector 7
Table 13: Fuel Injector 8
Table 14: Fuel Pump and Sender Assembly
Table 15: Fuel Transfer Pump (Dual Tanks)
Table 16: Fuel Transfer Pump Relay (Dual Tanks)
Table 17: Heated Oxygen Sensor (HO2S) 1
Table 18: Heated Oxygen Sensor (HO2S) 2
Table 19: High Idle Switch (UF3)
Table 20: Ignition Coil 1
Table 21: Ignition Coil 2
Table 22: Ignition Coil 3
Table 23: Ignition Coil 4
Table 24: Ignition Coil 5
Table 25: Ignition Coil 6
Table 26: Ignition Coil 7
Table 27: Ignition Coil 8
Table 28: Knock Sensor (KS) Bank 1
Table 29: Knock Sensor (KS) Bank 2
Table 30: Manifold Absolute Pressure (MAP) Sensor
Table 31: Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor
Table 32: Throttle Actuator Control (TAC) Module C1
Table 33: Throttle Actuator Control (TAC) Module C2
Table 34: Throttle Body

Accelerator Pedal Position (APP) Sensor


Object Number: 632344  Size: CH

Connector Part Information

    • 15326842
    • 10-Way F Metri-Pack 150 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A-C

--

--

Not Used

D

WH/BK

1164

5-Volt Reference

E

D-BU

1161

APP Sensor 1 Signal

F

--

--

Not Used

G

TN

1274

5-Volt Reference

H

L-BU

1162

APP Sensor 2 Signal

J

PU

1272

Low Reference

K

BN

1271

Low Reference

Camshaft Position (CMP) Sensor


Object Number: 516611  Size: CH

Connector Part Information

    • 12059595
    • 3-Way F Metri-Pack 150 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

RD

631

12-Volt Reference

B

PK/BK

632

Low Reference

C

BN/WH

633

CMP Sensor Signal

Crankshaft Position (CKP) Sensor


Object Number: 516611  Size: CH

Connector Part Information

    • 12059595
    • 3-Way F Metri-Pack 150 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

L-GN

1867

12-Volt Reference

B

YE/BK

1868

Low Reference

C

D-BU/WH

1869

CKP Sensor Signal

Engine Coolant Temperature (ECT) Sensor


Object Number: 684807  Size: CH

Connector Part Information

    • 12110293
    • 3-Way F Metri-Pack 150 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

GY

720

Low Reference

B

YE

410

ECT Sensor Signal

C

--

--

Not Used

Evaporative Emission (EVAP) Canister Purge Solenoid Valve


Object Number: 684795  Size: CH

Connector Part Information

    • 12052643
    • 2-Way F Metri-Pack 150 Series Sealed (RD)

Pin

Wire Color

Circuit No.

Function

A

PK

239

Ignition 1 Voltage

B

D-GN/WH

428

EVAP Canister Purge Solenoid Control

Fuel Injector 1


Object Number: 833727  Size: CH

Connector Part Information

    • 15411634
    • 2-Way F Micro-Pack 064 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

PK/WH

539

Ignition 1 Voltage

B

BK

1744

Fuel Injector 1 Control

Fuel Injector 2


Object Number: 833727  Size: CH

Connector Part Information

    • 15411634
    • 2-Way F Micro-Pack 064 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

PK

339

Ignition 1 Voltage

B

L-GN/BK

1745

Fuel Injector 2 Control

Fuel Injector 3


Object Number: 833727  Size: CH

Connector Part Information

    • 15411634
    • 2-Way F Micro-Pack 064 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

PK/WH

539

Ignition 1 Voltage

B

PK

1746

Fuel Injector 3 Control

Fuel Injector 4


Object Number: 833727  Size: CH

Connector Part Information

    • 15411634
    • 2-Way F Micro-Pack 064 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

PK

339

Ignition 1 Voltage

B

L-BU/BK

844

Fuel Injector 4 Control

Fuel Injector 5


Object Number: 833727  Size: CH

Connector Part Information

    • 15411634
    • 2-Way F Micro-Pack 064 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

PK/WH

539

Ignition 1 Voltage

B

BK/WH

845

Fuel Injector 5 Control

Fuel Injector 6


Object Number: 833727  Size: CH

Connector Part Information

    • 15411634
    • 2-Way F Micro-Pack 064 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

PK

339

Ignition 1 Voltage

B

YE/BK

846

Fuel Injector 6 Control

Fuel Injector 7


Object Number: 833727  Size: CH

Connector Part Information

    • 15411634
    • 2-Way F Micro-Pack 064 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

PK/WH

539

Ignition 1 Voltage

B

RD/BK

877

Fuel Injector 7 Control

Fuel Injector 8


Object Number: 833727  Size: CH

Connector Part Information

    • 15411634
    • 2-Way F Micro-Pack 064 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

PK

339

Ignition 1 Voltage

B

D-BU/WH

878

Fuel Injector 8 Control

Fuel Pump and Sender Assembly


Object Number: 697003  Size: CH

Connector Part Information

    • 15324862
    • 4-Way F FCI Apex Series Sealed (GY)

Pin

Wire Color

Circuit No.

Function

1

GY

120

Fuel Pump Supply Voltage

2

BK

470

Low Reference

3

BK

350

Ground

4

PU

1589

Fuel Level Sensor Signal - Primary

Fuel Transfer Pump (Dual Tanks)


Object Number: 523630  Size: CH

Connector Part Information

    • 15326677
    • 2-Way F GT 150 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

BK

350

Ground

B

L-GN

1058

Fuel Balance Pump Supply Voltage

Fuel Transfer Pump Relay (Dual Tanks)


Object Number: 535912  Size: CH

Connector Part Information

    • 12129716
    • 4-Way F Metri-Pack 280 Series Flexlock Sealed (GY)

Pin

Wire Color

Circuit No.

Function

30

GY

120

Fuel Pump Supply Voltage

85

TN

1465

Fuel Pump Relay Control - Secondary

86

GY

120

Fuel Pump Supply Voltage

87

L-GN

1058

Fuel Balance Pump Supply Voltage

Heated Oxygen Sensor (HO2S) 1


Object Number: 874937  Size: CH

Connector Part Information

    • 12146047
    • 5-Way F Metri-Pack 150 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

TN

1664

HO2S Low Signal - Bank 1 Sensor 1

B

PU/WH

1665

HO2S High Signal - Bank 1 Sensor 1

C

--

--

Not Available

D

PK

739

Ignition 1 Voltage

E

BK/WH

3113

HO2S Heater Low Control - Bank 1 Sensor 1

Heated Oxygen Sensor (HO2S) 2


Object Number: 831392  Size: CH

Connector Part Information

    • 12092839
    • 5-Way M Metri-Pack 150 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

TN

1667

HO2S Low Reference

B

PU

1666

HO2S High Signal - Bank 2 Sensor 1

C

--

--

Not Available

D

PK

739

Ignition 1 Voltage

E

L-GN

3212

HO2S Heater Low Control - Bank 2 Sensor 1

High Idle Switch (UF3)


Object Number: 304345  Size: CH

Connector Part Information

    • 12177195
    • 6-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

BK

750

Ground

B

BK

750

Ground

C

D-GN

534

High Idle Switch Signal

D

BN

441

Ignition 3 Voltage

E

BN

2509

Left Rear Park Lamps Supply Voltage

F

RD

750

Ground

Ignition Coil 1


Object Number: 280765  Size: CH

Connector Part Information

    • 12162144
    • 4-Way F Metri-Pack 150 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

BK

250

Ground

B

BN

2129

Low Reference

C

PU

2121

IC 1 Control

D

PK

539

Ignition 1 Voltage

Ignition Coil 2


Object Number: 280765  Size: CH

Connector Part Information

    • 12162144
    • 4-Way F Metri-Pack 150 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

BK

250

Ground

B

BN

2130

Low Reference

C

PU

2122

IC 2 Control

D

PK

339

Ignition 1 Voltage

Ignition Coil 3


Object Number: 280765  Size: CH

Connector Part Information

    • 12162144
    • 4-Way F Metri-Pack 150 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

BK

250

Ground

B

BN

2129

Low Reference

C

PU

2123

IC 3 Control

D

PK

539

Ignition 1 Voltage

Ignition Coil 4


Object Number: 280765  Size: CH

Connector Part Information

    • 12162144
    • 4-Way F Metri-Pack 150 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

BK

250

Ground

B

BN

2130

Low Reference

C

PU

2124

IC 4 Control

D

PK

339

Ignition 1 Voltage

Ignition Coil 5


Object Number: 280765  Size: CH

Connector Part Information

    • 12162144
    • 4-Way F Metri-Pack 150 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

BK

250

Ground

B

BN

2129

Low Reference

C

PU

2125

IC 5 Control

D

PK

539

Ignition 1 Voltage

Ignition Coil 6


Object Number: 280765  Size: CH

Connector Part Information

    • 12162144
    • 4-Way F Metri-Pack 150 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

BK

250

Ground

B

BN

2130

Low Reference

C

PU

2126

IC 6 Control

D

PK

339

Ignition 1 Voltage

Ignition Coil 7


Object Number: 280765  Size: CH

Connector Part Information

    • 12162144
    • 4-Way F Metri-Pack 150 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

BK

250

Ground

B

BN

2129

Low Reference

C

PU

2127

IC 7 Control

D

PK

539

Ignition 1 Voltage

Ignition Coil 8


Object Number: 280765  Size: CH

Connector Part Information

    • 12162144
    • 4-Way F Metri-Pack 150 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

BK

250

Ground

B

BN

2130

Low Reference

C

PU

2128

IC 8 Control

D

PK

339

Ignition 1 Voltage

Knock Sensor (KS) Bank 1


Object Number: 696956  Size: CH

Connector Part Information

    • 15355362
    • 1-Way F Metri-Pack 150 Series Sealed (NA)

Pin

Wire Color

Circuit No.

Function

1

D-BU

496

Knock Sensor 1 Signal

Knock Sensor (KS) Bank 2


Object Number: 696956  Size: CH

Connector Part Information

    • 15355362
    • 1-Way F Metri-Pack 150 Series Sealed (NA)

Pin

Wire Color

Circuit No.

Function

1

L-BU

1876

Knock Sensor 2 Signal

Manifold Absolute Pressure (MAP) Sensor


Object Number: 684840  Size: CH

Connector Part Information

    • 12129946
    • 3-Way F Metri-Pack 150 Series Sealed (GY)

Pin

Wire Color

Circuit No.

Function

A

OG/BK

469

Low Reference

B

L-GN

432

MAP Sensor Signal

C

GY

597

5 Volt Reference

Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor


Object Number: 366067  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

BK

552

Low Reference

B

TN

472

IAT Sensor Signal

C

BK/WH

351

Ground

D

PK

239

Ignition 1 Voltage

E

YE

492

MAF Sensor Signal

Throttle Actuator Control (TAC) Module C1


Object Number: 261930  Size: CH

Connector Part Information

    • 12191065
    • 16-Way F Micro-Pack 100 Series Sealed (GY)

Pin

Wire Color

Circuit No.

Function

1

D-GN

485

TP Sensor 1 Signal

2

GY

416

5-Volt Reference

3

BK

452

Low Reference

4

D-BU

84

Cruise Control Set/Coast Switch Signal

5

GY/BK

87

Control Switch Signal

6

L-BU

1320

CHMSL Supply Voltage/Stop Lamp Supply Voltage

7

PK

439

Ignition 1 Voltage

8

BN

582

TAC Motor Control - 2

9

L-BU/BK

1688

5-Volt Reference

10

BK/WH

1704

Low Reference

11

PU

486

TP Sensor 2 Signal

12

OG/BK

1061

UART Serial Data Secondary

13

D-BU/WH

774

UART Serial Data Tertiary

14

GY

397

Cruise Control On Switch Signal

15

BK/WH

351

Ground

16

YE

581

TAC Motor Control - 1

Throttle Actuator Control (TAC) Module C2


Object Number: 570216  Size: CH

Connector Part Information

    • 12065425
    • 10-Way F Metri-Pack 150 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

--

--

Not Used

B

PU

1274

5-Volt Reference

C

L-BU

1162

APP Sensor 2 Signal

D

PU

1272

Low Reference

E

--

--

Not Used

F

D-BU

1161

APP Sensor 1 Signal

G

WH/BK

1164

5-Volt Reference

H

--

--

Not Used

J

BN

1271

Low Reference

K

--

--

Not Used

Throttle Body


Object Number: 831368  Size: CH

Connector Part Information

    • 15326836
    • 8-Way F Metri-Pack 150 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

YE

581

TAC Motor Control - 1

B

BK/WH

1704

Low Reference

C

BN

582

TAC Motor Control - 2

D

BK

452

Low Reference

E

L-BU/BK

1688

5-Volt Reference

F

PU

486

TP Sensor 2 Signal

G

D-GN

485

TP Sensor 1 Signal

H

GY

416

5-Volt Reference