Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Throttle Position Sensor: Adjustments

Throttle Body Screws:





- Loosen the two set screws of the sensor.

TPS Inspection:





- Insert a 0.40 mm (0.016 in.) feeler gauge, between the throttle stop screw and stop lever.

- Connect the test probe of an ohmmeter to the terminals IDL1 and E2 of the sensor.

Sensor Adjustment:





- Gradually turn the sensor clockwise until the ohmmeter deflects, and secure it with the two set screws.

Rechecking Adjustment:




Sensor Inspection:





- Recheck the continuity between terminals IDL1 and E2.