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Home >> Subaru >> 2016 >> WRX Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Diagnostic Trouble Code (DTC) Detecting Criteria (H4DOTC) (WRX) >> Diagnostic Trouble Code (DTC) Detecting Criteria >> DTC P0685 ECM/Pcm Power Relay Control Circuit/Open >> General Driving Cycle

General Driving Cycle

Perform the diagnosis only once when the following driving cycle starts after the ignition switch is OFF.