Throttle Position Sensor: Testing and Inspection

With CONSULT-II
1. Start engine and warm it up to normal operating temperature.
2. Stop engine and turn ignition switch "ON".




3. Select "DATA MONITOR" mode with CONSULT-II.




4. Check voltage of "THRTL POS SEN".
Voltage measurement must be made with throttle position sensor installed in vehicle
If NG, adjust closed throttle position sensor. Refer to "Basic Inspection".
5. If it is impossible to adjust closed throttle position switch in "Basic Inspection", replace throttle position sensor.

No Tools
1. Start engine and warm it up to normal operating temperature.
2. Stop engine and turn ignition switch "ON".







3. Check voltage between ECM terminal 23 (Throttle position sensor signal) and ground.
Voltage measurement must be made with throttle position sensor installed in vehicle
If NG, adjust closed throttle position sensor. Refer to "Basic Inspection".

4. If it is impossible to adjust closed throttle position switch in "Basic Inspection", replace throttle position sensor.