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Home >> Subaru >> 2021 >> Crosstrek Limited >> Repair and Diagnosis (Single Page) >> Brakes >> Anti-Lock Brakes >> Electric Brake Booster System (Diagnostics) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC P057D Brake Pedal Position Sensor "A" Circuit High >> General Description >> Diagnostic Method

Diagnostic Method

Power supply voltage ratio of brake stroke sensor input 1 and brake stroke sensor power supply 1 is higher than 0.94.

JUDGMENT VALUE SPECIFICATION

Malfunction Criteria Threshold Value
Brake stroke sensor input 1/Brake stroke sensor power supply 1 More than 0.94

Time needed for diagnosis:  200 ms

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