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

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Throttle Position Sensor: Testing and Inspection

Throttle Position Sensor Test:





1. Disconnect throttle position sensor harness connector.
2. Make sure that resistance between terminals B and C changes when opening throttle valve manually.

Accelerator pedal conditions Resistance
Completely released Approximately 1.7k Ohms
While moving (smoothly) 1 - 10.5k Ohms
Completely depressed Approximately 10.5k Ohms

If Not Good, replace throttle position sensor. Refer to service and repair. Service and Repair