Diagnostic Method

Judge as OK and clear the NG when the malfunction criteria below are met.

Judgement Value

JUDGEMENT VALUE REFERENCE

Malfunction Criteria	Threshold Value
Difference between target opening angle and actual opening angle	3.5° or less
Output duty to drive circuit	95% or less

Time Needed for Diagnosis:

Target opening angle and actual opening angle: 250 milliseconds (For NG), 2000 milliseconds (For OK)
Output duty to drive circuit: 2000 milliseconds

Details of Judgement Value

Fig 1: Throttle Position Sensor Graph (Details Of Judgement Value)

Courtesy of SUBARU OF AMERICA, INC.

Details of Judgement time (The actual opening angle ≤ target opening angle is always 1000 milliseconds)

Fig 2: Throttle Position Sensor Graph (Details Of Judgement Time)

Courtesy of SUBARU OF AMERICA, INC.

Malfunction Indicator Light Illumination: Illuminates as soon as a malfunction occurs.