Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSEAGLE1994SUMMIT WAGON AWD L4-1795CC 1.8L SOHCREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSIDLE SPEED MOTOR POSITION SENSORTESTING AND INSPECTION
1994 Eagle Summit Wagon AWD L4-1795cc 1.8L SOHC
Idle Speed Motor Position Sensor: Testing and Inspection
1994 Eagle Summit Wagon AWD L4-1795cc 1.8L SOHCSECTION Testing and Inspection
TROUBLESHOOTING HINTS
HINT 1: The IAC valve position sensor is the most important sensor for controlling idle speed. If a malfunction develops when the engine is idling and the engine load is varied by turning the air conditioning switch to ON and OFF etc. this sensor is probably defective.
NOTE: In a new vehicle [driven approximately 500 km (300 miles) or less] the IAC valve position sometimes exceeds the standard value by approximately 20 steps.
CAUTION: When shifting the selector lever to the D range apply brake to prevent the vehicle from moving forward.
HARNESS INSPECTION
INSPECTION USING SCAN TOOL
HINT 1: The IAC valve position sensor is the most important sensor for controlling idle speed. If a malfunction develops when the engine is idling and the engine load is varied by turning the air conditioning switch to ON and OFF etc. this sensor is probably defective.
NOTE: In a new vehicle [driven approximately 500 km (300 miles) or less] the IAC valve position sometimes exceeds the standard value by approximately 20 steps.
CAUTION: When shifting the selector lever to the D range apply brake to prevent the vehicle from moving forward.
HARNESS INSPECTION
Idle Air Control Valve Position Sensor:
Idle Air Control Valve Position Sensor:
INSPECTION USING SCAN TOOL
Idle Air Control Valve Position Sensor:
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.