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Throttle Position Sensor: Testing and Inspection

THROTTLE POSITION SENSOR
Inspection-Idle Switch
1. Turn the ignition switch OFF and set the throttle valve to closed throttle position.
2. Disconnect the throttle position sensor connector.






3. Check continuity of the throttle position sensor terminals A and B.
4. If not as specified, adjust the throttle position sensor.






5. Insert a feeler gauge 0.4 mm (O.016 in) between the stopper and the throttle lever.
6. Verify that NO continuity exists between throttle position sensor terminals A and B.
7. If continuity exists adjust the throttle position sensor.

Inspection-Throttle Valve Opening (TVO) Sensor-Variable Resistor
1. Remove the PCME.






2. Connect the special service tools (SST)s (Engine Signal Monitor and Adapter Harness) to the PCME.
3. Set the SST (Engine Signal Monitor) to position 2M.
4. Turn the ignition switch ON.
5. Rotate the throttle link by hand and verify that voltage is within the specification.
6. If not as specified, adjust the throttle position sensor.