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Home >> Subaru >> 2021 >> Forester Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (Diagnostics) (4 Of 4) >> Diagnostic Procedure With Diagnostic Trouble Code (DTC) >> DTC P2109: Throttle/Pedal Position Sensor "A" Minimum Stop Performance >> Diagnostic Method

Diagnostic Method

If the duration of time while the following conditions are met is longer than the time indicated, judge as NG.

JUDGMENT VALUE SPECIFICATION

Malfunction Criteria Threshold Value
Minimum stop position Less than 10.036°
or
More than 19.964°
or
|Throttle opening angle when the ignition switch is ON - Throttle minimum stop position| Less than 1.07°

Time needed for diagnosis:  8ms - 80ms

Malfunction indicator light illumination:  Illuminates as soon as a malfunction occurs.