Operation CHARM: Car repair manuals for everyone.

Throttle Full Close Switch: Testing and Inspection




1. Disconnect the throttle position sensor connector.
2. Check the continuity between the throttle position sensor connector side terminal 3 and terminal 4. With the accelerator pedal depressed, there should be no continuity. With the accelerator pedal released, there should be continuity.
3. If out of specification, replace the Throttle Position Sensor.

NOTE: After replacement, the Closed Throttle Position Switch and Throttle Position Sensor should be adjusted.