GM Service Manual Online
For 1990-2009 cars only
Table 1: Ambient Air Temperature Sensor
Table 2: Camshaft Position Sensor
Table 3: Crankshaft Position Sensor
Table 4: EVAP Pressure Switching Solenoid
Table 5: EVAP 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 Sender Assembly
Table 11: Fuel Tank Pressure Sensor
Table 12: Heated Oxygen Sensor 1
Table 13: Heated Oxygen Sensor 2
Table 14: IAC Motor
Table 15: Intake Air Temperature (IAT) Sensor
Table 16: MAP Sensor
Table 17: Throttle Position Sensor

Ambient Air Temperature Sensor


Object Number: 334404  Size: CH

Connector Part Information

    • 90980-11030
    • BLK

Pin

Wire Color

Function

1

RED/BLK

Ambient Air Temperature Sensor Input

2

BRN/WHT

Ground

Camshaft Position Sensor


Object Number: 339853  Size: CH

Connector Part Information

    • 90980-10947
    • BLK

Pin

Wire Color

Function

1

BLK

Camshaft Position Input

2

WHT

Sensor Ground

Crankshaft Position Sensor


Object Number: 339853  Size: CH

Connector Part Information

90980-10947

Pin

Wire Color

Function

1

BLK

Crankshaft Position Input

2

WHT

Sensor Ground

EVAP Pressure Switching Solenoid


Object Number: 334995  Size: CH

Connector Part Information

    • 90980-11859
    • BLK

Pin

Wire Color

Function

1

RED

EVAP Control

2

BLK

Circuit Opening Relay

EVAP Purge Solenoid Valve


Object Number: 339854  Size: CH

Connector Part Information

    • 90980-11156
    • BLK

Pin

Wire Color

Function

1

BLU/BLK

EVAP Control

2

BLK

EFI Relay

Fuel Injector #1


Object Number: 334996  Size: CH

Connector Part Information

    • 90980-11875
    • BLK

Pin

Wire Color

Function

1

YEL

Fuel Injector #1 Control

2

BLK/WHT

Ignition Positive Voltage

Fuel Injector #2


Object Number: 334996  Size: CH

Connector Part Information

    • 90980-11875
    • BLK

Pin

Wire Color

Function

1

BLK/RED

Fuel Injector #2 Control

2

BLK/WHT

Ignition Positive Voltage

Fuel Injector #3


Object Number: 334996  Size: CH

Connector Part Information

    • 90980-11875
    • BLK

Pin

Wire Color

Function

1

WHT

Fuel Injector #3 Control

2

BLK/WHT

Ignition Positive Voltage

Fuel Injector #4


Object Number: 334996  Size: CH

Connector Part Information

    • 90980-11875
    • BLK

Pin

Wire Color

Function

1

BLK

Fuel Injector #4 Control

2

BLK/WHT

Ignition Positive Voltage

Fuel Sender Assembly


Object Number: 334997  Size: CH

Connector Part Information

    • 90980-11077
    • GRY

Pin

Wire Color

Function

1

YEL

Low Fuel Indicator

2

YEL/RED

Fuel Gauge

3

BRN

Ground

4

BLU/BLK

Circuit Opening Relay

5

WHT/BLK

Ground

Fuel Tank Pressure Sensor


Object Number: 335005  Size: CH

Connector Part Information

    • 90980-11860
    • BLK

Pin

Wire Color

Function

1

BRN

Sensor Ground

2

BLU

Fuel Tank Pressure Input

3

YEL

Reference Voltage

Heated Oxygen Sensor 1


Object Number: 335001  Size: CH

Connector Part Information

    • 90980-11028
    • GRY

Pin

Wire Color

Function

1

PNK

HO2S1 Heater Control

2

BLK

EFI Relay

3

WHT

HO2S1 Input

4

BRN

Ground

Heated Oxygen Sensor 2


Object Number: 335001  Size: CH

Connector Part Information

    • 90980-11028
    • GRA

Pin

Wire Color

Function

1

PNK

Heated Oxygen Sensor 2 Heater Control

2

BLK

Electronic Fuel Injection Relay

3

BLK

Heated Oxygen Sensor 2 Input

4

BRN

Ground

IAC Motor


Object Number: 339851  Size: CH

Connector Part Information

    • 90980-11145
    • GRA

Pin

Wire Color

Function

1

BLK/BLU

IAC Valve Open Control

2

BLK

EFI Relay

3

BRN

Ground

Intake Air Temperature (IAT) Sensor


Object Number: 339855  Size: CH

Connector Part Information

    • 90980-11163
    • BLK

Pin

Wire Color

Function

1

BRN

Sensor Ground

2

YEL/BLK

IAT Input

MAP Sensor


Object Number: 335016  Size: CH

Connector Part Information

    • 90980-10845
    • BLK

Pin

Wire Color

Function

1

BRN

Sensor Ground

2

LT GRN/RED

MAP Input

3

YEL

Ignition Ref. Voltage

Throttle Position Sensor


Object Number: 339857  Size: CH

Connector Part Information

    • 90980-11261
    • BLK

Pin

Wire Color

Function

1

YEL

Ignition Ref. Voltage

2

BRN

Sensor Ground

3

LT GRN

Throttle Position Input