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Home >> Subaru >> 2023 >> Ascent Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> Testing & Diagnosis >> Engine Control System (Diagnostics) (2 Of 4) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC P0685: ECM/Pcm Power Relay Control Circuit/Open >> General Description >> Component Description
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Component Description

The main relay controls current of coils by receiving instructions from the ignition switch and leak check valve assembly to switch ECM to ON/OFF.