Operation CHARM: Car repair manuals for everyone.

Throttle Position Sensor: Adjustments

1. Loosen the two set screws that secure the TPS to the throttle housing. (DO NOT REMOVE THE SCREWS)

TPS Adjustment Screws:





2. Connect an Ohmmeter to terminals IDL and E2 of the TPS after removing the connector.
3. Insert a 0.70mm (0.028in.) feeler gauge between the throttle stop screw and stop lever.

Checking TPS Adjustment:





4. Rotate the TPS counter-clockwise and slowly back clockwise until the Ohmmeter just looses continuity, (infinite ohms).

Adjusting TPS:





5. Secure the TPS with the two set screws.
6. Remove the feeler gauge and recheck TPS setting.
7. There should be continuity with a 0.57mm (0.022in.) feeler gauge inserted in the stop. There should be NO continuity with a 0.85mm (0.034in.) feeler gauge inserted in the stop.
8. Remove the Ohmmeter and reconnect the TPS connector.