Operation CHARM: Car repair manuals for everyone.

Throttle Position Sensor: Adjustments

Measuring Voltage At ECM:





1. Turn the key "ON".
2. Close the throttle.
3. Using a volt meter, check the voltage between ECM terminals.
Connector & terminal: Voltage:
(E30)15 - (E30)4 0.45 - 0.55 Volts DC


Throttle Position Sensor:





4. If not correct, loosen the throttle position sensor screws and rotate sensor until the specified voltage exists.
5. Tighten throttle position sensor screws.