Operation CHARM: Car repair manuals for everyone.

Closed Throttle Position Switch

COMPONENT INSPECTION
Closed Throttle Position Switch
1. Start engine and warm it up sufficiently.
2. Turn ignition switch "OFF".
3. Disconnect throttle position switch harness connector.




4. Check continuity between terminals (5) and (6) while opening throttle valve manually.

Throttle valve conditions / Continuity
Completely closed / Yes
Partially open or completely open / No


If NG, replace throttle position switch.