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Home >> Infiniti >> 2017 >> Q50 Base, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 132 (Hybrid Control System (Introduction) (Hybrid)) >> System Description >> Component Parts >> System Main Relay >> Pre-Charge Relay

Pre-Charge Relay

WARNING: This page is about a different car, the 2016 Infiniti Q50. However, it is still accessible from the selected car via links, so may be relevant.

The pre-charge relay is installed inside the battery junction box and is controlled by HPCM. When supply of high-voltage power is needed, HPCM activates the pre-charge relay and power is supplied via the charging resistor, preventing the sudden application of high-voltage.

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