Operation CHARM: Car repair manuals for everyone.

Throttle Position Sensor: Adjustments

Idle Switch Contacts:





a. Insert a feeler gauge between stopper screw of throttle body and stopper.
b. Using a suitable ohmmeter, check for continuity between terminals A and C.
c. Ensure continuity exists between terminals A and C when throttle is completely closed.
d. Insert a .0217 inch feeler gauge into position as previously described, and ensure continuity exists between terminals A and C. Throttle opening should be 1.5°.
e. Insert a .0362 inch feeler gauge into position as previously described and ensure there is no continuity between terminals A and C. Throttle opening should be 2.5°. If results are not as specified, loosen screws securing throttle sensor to throttle body and rotate throttle sensor body, then repeat steps a through e.