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 SYSTEMSTHROTTLE POSITION SENSORTESTING AND INSPECTION
1994 Eagle Summit Wagon AWD L4-1795cc 1.8L SOHC
Throttle Position Sensor: Testing and Inspection
1994 Eagle Summit Wagon AWD L4-1795cc 1.8L SOHCSECTION Testing and Inspection
TROUBLESHOOTING HINTS
HINT 1: The throttle position sensor signal is more important in the control of automatic transaxle than in the engine control. Shifting shock and other troubles will be caused if this sensor is faulty.
HINT 2: If the output voltage of the throttle position sensor is out of specification adjust the sensor and check the voltage again.
NOTE: If there is evidence that the fixed speed adjusting screw (SAS) setting has been disturbed, check and adjust the fixed SAS.
SENSOR INSPECTION
1. Disconnect the throttle position sensor connector.
2. Measure the resistance between the throttle position sensor side connector terminal 1 and terminal 4.
- Standard value: 3.5k - 6.5k ohms
3. Using an analog ohm meter measure the resistance between the throttle position sensor side connector terminal 1 and terminal 3.
4. Slowly open throttle valve to full open position.
- Resistance should change smoothly.
5. If the resistance is outside the standard value or if it doesn't change smoothly replace the throttle position sensor.
HARNESS INSPECTION
INSPECTION USING SCAN TOOL
HINT 1: The throttle position sensor signal is more important in the control of automatic transaxle than in the engine control. Shifting shock and other troubles will be caused if this sensor is faulty.
HINT 2: If the output voltage of the throttle position sensor is out of specification adjust the sensor and check the voltage again.
NOTE: If there is evidence that the fixed speed adjusting screw (SAS) setting has been disturbed, check and adjust the fixed SAS.
SENSOR INSPECTION
Throttle Position Sensor Connector:
1. Disconnect the throttle position sensor connector.
Throttle Position Sensor Testing:
2. Measure the resistance between the throttle position sensor side connector terminal 1 and terminal 4.
- Standard value: 3.5k - 6.5k ohms
Throttle Position Sensor Testing:
3. Using an analog ohm meter measure the resistance between the throttle position sensor side connector terminal 1 and terminal 3.
4. Slowly open throttle valve to full open position.
- Resistance should change smoothly.
5. If the resistance is outside the standard value or if it doesn't change smoothly replace the throttle position sensor.
HARNESS INSPECTION
INSPECTION USING SCAN TOOL
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.