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Home >> Hyundai >> 2015 >> Azera Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (3 Of 3) >> DTC P0685: ECM/PCM Power Relay Control Circuit / Open >> General Information >> General Description
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General Information: General Description

The PCM controls the ground path of the main relay control coil. The other side of the main relay coil is connected to fuse B+ (Battery Voltage).

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