P1401

DTC P1401 Sub Throttle Position Sensor Range/Performance Problem





CIRCUIT DESCRIPTION
The sub throttle position sensor is built and operates in the same way as the main throttle position sensor. This sensor is used for traction control. The sub throttle valve is opened and closed by the subthrottle actuator according to signals from the TRAC ECU to control the engine output.





DETECTING CONDITION

Step 1:

INSPECTION PROCEDURE