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Home >> Infiniti >> 2014 >> Q70 3.7, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 4 (Hybrid Control System) >> System Description >> System >> System Main Relay Control >> SYSTEM MAIN RELAY CONTROL: System Description >> Description

SYSTEM MAIN RELAY CONTROL: System Description: Description

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HPCM controls ON/OFF of the system main relays (system main relays 1 and 2, and pre-charge relay) to connect and disconnect the hybrid system high-voltage circuit.