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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 P05DF Brake Pedal Position Sensor "B" Circuit Intermittent/Erratic >> General Description >> Diagnostic Method

Diagnostic Method

Difference between the current power supply voltage ratio and the previous power supply voltage ratio of brake stroke sensor input 2 and brake stroke sensor power supply 2 is higher than 8.48%.

JUDGMENT VALUE SPECIFICATION

Malfunction Criteria Threshold Value
ABS (Current brake stroke sensor input 2/Brake stroke sensor power supply 2 - Last brake stroke sensor input 2/Brake stroke sensor power supply 2) More than 0.0848

Time needed for diagnosis:  200 ms

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