GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Geo 🢒 1997 🢒 Prizm 🢒 Engine 🢒 Engine Controls - 1.8L 🢒 Engine Controls Connector End Views
Table 1: Crankshaft Position (CKP) Sensor
Table 2: EGR Solenoid Vacuum Valve
Table 3: Fuel Injector #1
Table 4: Fuel Injector #2
Table 5: Fuel Injector #3
Table 6: Fuel Injector #4
Table 7: Fuel Sender Assembly
Table 8: Oxygen Sensor 1 (O2S 1)
Table 9: Heated Oxygen Sensor 2 (HO2S 2)
Table 10: Idle Air Control (IAC) Valve
Table 11: Intake Air Temperature (IAT) Sensor
Table 12: Manifold Absolute Pressure (MAP) Sensor

Crankshaft Position (CKP) Sensor


Object Number: 339853 Size: CH

Connector Part Information

90980-10947

Pin

Wire Color

Function

1

BLK

CKP Sensor High

2

WHT

Sensor Ground

EGR Solenoid Vacuum Valve


Object Number: 339854 Size: CH

Connector Part Information
    • 90980-11156
    • BLK

Pin

Wire Color

Function

1

BLK/WHT

Solenoid 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

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

Ignition Positive Voltage

Fuel Injector #3


Object Number: 334996 Size: CH

Connector Part Information
    • 90980-11875
    • BLK

Pin

Wire Color

Function

1

BLK/WHT

Fuel Injector #3 Control

2

BLK

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

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

Oxygen Sensor 1 (O2S 1)


Object Number: 334404 Size: CH

Connector Part Information
    • 90980-11030
    • BLK

Pin

Wire Color

Function

1

BLK

O2S 1 Signal

2

BRN

Ground

Heated Oxygen Sensor 2 (HO2S 2)


Object Number: 335001 Size: CH

Connector Part Information
    • 90980-11028
    • GRA

Pin

Wire Color

Function

1

BLU/BLK

HO2S 2 Heater Control

2

BLK

EFI Relay

3

BLK

HO2S 2 Signal

4

BRN

Ground

Idle Air Control (IAC) Valve


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

BLK/WHT

IAC Valve Close Control

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

Manifold Absolute Pressure (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

5 Volt Reference