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Home >> Subaru >> 2020 >> Crosstrek Base, Automatic CVT Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 6 (P-HEV Hybrid Powertrain Control System (Diagnostics) (1 Of 2)) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC P0D07-00: Hybrid/EV Battery Charging System Positive Contactor Stuck Closed >> General Description >> Explanation Of Circuits

Explanation Of Circuits

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CHR (charge relay) connects or disconnects the high voltage power supply by the command from Battery ECU assembly.

CHR system consists of three CHRs and one Limiting resistor. CHR and Limiting resistor are located on HV battery junction block.

CHRP and CHRB are first connected in order to connect the high voltage power supply and charge the vehicle side through Limiting resistor. Then, CHRG is connected and CHRP is opened. The high voltage power supply is disconnected by CHRB and CHRG.

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