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Home >> Subaru >> 2019 >> BRZ Series.Gray >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Diagnostics) (3 Of 3) >> EFI System (FA20) >> DTC P0685: Main Relay ON Stuck >> Circuit description >> Notes
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Circuit description: Notes

G10212880Courtesy of SUBARU OF AMERICA, INC.
DTC No. DTC detection conditions Suspected parts
P0685 After IG OFF, the main relay is not switched OFF and the ECM operates longer than the specified time period. (2 trips detection logic) Main relay
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