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Throttle Position Switch: Service and Repair

REMOVAL
1. Turn the ignition key off.
2. Remove the intake air duct from the throttle chamber.
3. Disconnect the idle switch and throttle sensor connectors.
4. Remove the 2 bolts securing the unit to the throttle chamber and remove the unit.

Throttle Position Sensor Adjustment:





INSTALLATION AND ADJUSTMENT
1. Install the unit to the throttle shaft, aligning the flat area on the shaft with the flat area on the unit.
2. Install the screws and tighten slightly.
3. Reconnect the throttle sensor and idle switch connectors.
4. Install the intake air duct.
5. Start the engine and warm to operating temperature.
6. Using a volt meter, check the output voltage between terminals as shown.
a. If the voltage is between 0.45 - 0.55 VDC at idle, the sensor is adjusted properly.
b. If the voltage is not between 0.45 - 0.55 VDC at idle, proceed to step 7.
7. Loosen the throttle sensor securing screws (2).
8. Rotate the sensor until 0.45 - 0.55 VDC is measured between the terminals at idle.
9. Tighten the screws and recheck the voltage.