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Home >> Subaru >> 2022 >> WRX Premium, Standard Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 2 (Continuously Variable Transmission (Diagnostics)) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC P0724: Brake Switch "B" Circuit High >> General Description >> Diagnostic Method

Diagnostic Method

WARNING: This page is about a different variant/trim than selected.

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
The brake switch B is continuously ON while the vehicle speed changed from "Y" to "X".
Vehicle speed "Y"
Vehicle speed "X"
NOTE:

"Brake switch B ON" is defined as Brake switch B input voltage >= 3.4 V 

Less than 0.6 MPH
18.8 MPH or more

Time needed for diagnosis:  10 times

Malfunction indicator light illumination:  Does not illuminate.