Hyundai Ioniq (AE): High Voltage Battery Control System / Pre-Charge Resistor. Description and operation

Description
Pre-Charge Resistor is integrated into the Power Relay Assembly (PRA). It protects the high voltage circuit by limiting the current while the inverter capacitor is being charged.

    Removal1.Shut off the high voltage.(Refer to Hybrid Control System - "High Voltage Shut-off Procedures")2.Remove the rear seat cushion.(Refer to Body - "Rear Seat Assembly")3.

    Specification Item Specification Resistance (Ω)40 [20°C (68°F)]Rated Current (A)40

    Other information:

    Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual: Repair procedures

    Replacement1.Remove the battery (-) terminal.2.Remove the engine room under cover.(Refer to Engine Mechanical System - "Engine Room Under Cover")3.Remove the heater hose (A) and AEWP hose (B).4.Disconnect the lock pin to remove the heater hose pump connector (A).

    Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual: Special service tools

    Special Service Tools Tool Name / Number Illustration Description LKA Compensator(09964-C1100)Used for compensating front view camera unitBCW Sensor Correction Tool Set(09958-3T500)Used to correct the blind-spot radar unit.

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