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Home › Infiniti › 2015 › Q70 Hybrid › Repair and Diagnosis › Hybrid/Electric Powertrain › Electric Motor Systems › Hybrid Control System - Introduction › System Description › System › System Main Relay Control › System Description › Description

System Description: Description

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.