GM Service Manual Online
For 1990-2009 cars only
Table 1: Accelerator Pedal Position (APP) Sensor
Table 2: Camshaft Position (CMP) Sensor - Bottom
Table 3: Camshaft Position (CMP) Sensor - Top
Table 4: Crankshaft Position (CKP) Sensor
Table 5: Engine Coolant Temperature (ECT) Sensor
Table 6: Ether Injector Control Solenoid Valve (KTE)
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 Pressure Regulator
Table 14: Fuel Rail Pressure (FRP) Sensor
Table 15: Glow Plug Relay
Table 16: Heated Fuel/Water Separator - Secondary (KUN)
Table 17: High Idle Switch (UF3)
Table 18: Intake Air (IA) Heater
Table 19: Intake Air (IA) Heater Relay
Table 20: Intake Air Temperature (IAT) Sensor
Table 21: Manifold Absolute Pressure (MAP) Sensor

Accelerator Pedal Position (APP) 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

WH/BK

1164

5-Volt Reference

B

BK/WH

451

Ground

C

D-BU

1161

APP Sensor 1 Signal

Camshaft Position (CMP) Sensor - Bottom


Object Number: 646176  Size: CH

Connector Part Information

    • --
    • 2-Way F Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

BU

965

Bottom Camshaft Position Signal - High

B

YE

966

Bottom Camshaft Position Signal - Low

Camshaft Position (CMP) Sensor - Top


Object Number: 646176  Size: CH

Connector Part Information

    • --
    • 2-Way F Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

BK

963

Top Camshaft Position Signal - High

B

WH

964

Top Camshaft Position Signal - Low

Crankshaft Position (CKP) Sensor


Object Number: 646176  Size: CH

Connector Part Information

    • --
    • 2-Way F Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

--

--

CKP Sensor - High

B

--

--

CKP Sensor - Low

Engine Coolant Temperature (ECT) Sensor


Object Number: 784092  Size: CH

Connector Part Information

    • --
    • 2-Way F Sealed

Pin

Wire Color

Circuit No.

Function

1

BU

995

ECT Sensor Signal

2

PK

833

Low Reference

Ether Injector Control Solenoid Valve (KTE)


Object Number: 603213  Size: CH

Connector Part Information

    • 15326679
    • 2-Way F GT 280 Series, Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

TN

1997

Ether Solenoid - Feed

B

BK

350

Battery Positive Voltage

Fuel Injector 1


Object Number: 833727  Size: CH

Connector Part Information

    • --
    • 2-Way F

Pin

Wire Color

Circuit No.

Function

A

GY

701

Fuel Injector 1 Control

B

WH

983

Low Reference

Fuel Injector 2


Object Number: 833727  Size: CH

Connector Part Information

    • --
    • 2-Way F

Pin

Wire Color

Circuit No.

Function

A

PU

702

Fuel Injector 2 Control

B

WH

983

Low Reference

Fuel Injector 3


Object Number: 833727  Size: CH

Connector Part Information

    • --
    • 2-Way F

Pin

Wire Color

Circuit No.

Function

A

BN

703

Fuel Injector 3 Control

B

OG

984

Low Reference

Fuel Injector 4


Object Number: 833727  Size: CH

Connector Part Information

    • --
    • 2-Way F

Pin

Wire Color

Circuit No.

Function

A

GN

704

Fuel Injector 4 Control

B

OG

984

Low Reference

Fuel Injector 5


Object Number: 833727  Size: CH

Connector Part Information

    • --
    • 2-Way F

Pin

Wire Color

Circuit No.

Function

A

BU

705

Fuel Injector 5 Control

B

YE

985

Low Reference

Fuel Injector 6


Object Number: 833727  Size: CH

Connector Part Information

    • --
    • 2-Way F

Pin

Wire Color

Circuit No.

Function

A

GY

706

Fuel Injector 6 Control

B

YE

985

Low Reference

Fuel Pressure Regulator


Object Number: 833727  Size: CH

Connector Part Information

    • --
    • 2-Way F

Pin

Wire Color

Circuit No.

Function

A

PK

854

Fuel Pressure Regulator Solenoid Control - PWM

B

PU

855

Low Reference

Fuel Rail Pressure (FRP) Sensor


Object Number: 684807  Size: CH

Connector Part Information

    • --
    • 3-Way F

Pin

Wire Color

Circuit No.

Function

A

GN

829

Low Reference

B

BN

849

Fuel Rail Pressure Sensor Signal

C

WH

828

5-Volt Reference

Glow Plug Relay


Object Number: 833727  Size: CH

Connector Part Information

    • --
    • 2-Way F

Pin

Wire Color

Circuit No.

Function

A

PK

854

Fuel Pressure Regulator Solenoid Control - PWM

B

PU

855

Low Reference

Heated Fuel/Water Separator - Secondary (KUN)


Object Number: 1542761  Size: CH

Connector Part Information

    • 15326623
    • 3-Way M GT 280 Series, Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

PK

2677

Heated Fuel Relay Supply Voltage

B

YE/BK

508

Water In Fuel Indicator Control

C

BK

250

Ground

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

985

IA Heater Relay Control

E

BN

2509

Left Rear Park Lamps Supply Voltage

F

BK

750

Ground

Intake Air (IA) Heater


Object Number: 696956  Size: CH

Connector Part Information

    • --
    • 1-Way F

Pin

Wire Color

Circuit No.

Function

A

--

--

Intake Air Heater Supply Voltage

Intake Air (IA) Heater Relay


Object Number: 603108  Size: CH

Connector Part Information

    • 15336745
    • 4-Way F GT 280/Metri-Pack 800 Mixed Series, Sealed (BK)

Pin

Wire Color

Circuit No.

Function

30

--

--

Intake Air Heater Supply Voltage

85

RD

987

Ignition 1 Voltage

86

BU

850

Intake Air Heater Indicator/Relay Control

87

--

--

Battery Positive Voltage

Intake Air Temperature (IAT) Sensor


Object Number: 784092  Size: CH

Connector Part Information

    • --
    • 2-Way F Sealed

Pin

Wire Color

Circuit No.

Function

1

BU

967

IAT Sensor Signal

2

PK

833

Low Reference

Manifold Absolute Pressure (MAP) Sensor


Object Number: 280779  Size: CH

Connector Part Information

    • 12103771
    • 3-Way F Metri-Pack 150 Series, Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

GN

829

Low Reference

B

PK

746

MAP Sensor Signal

C

WH

828

5-Volt Reference