Hyundai Ioniq: High Voltage Battery System / Power Relay Assembly (PRA). Description and operation

Hyundai Ioniq (AE) 2017-2024 Service Manual / Hybrid Control System / High Voltage Battery System / Power Relay Assembly (PRA). Description and operation

Description
The Power Relay Assembly (PRA) consists of the positive and negative main relays, pre-charge relay, pre-charge resistor and battery current sensor. It is located inside the battery pack assembly and controls the high voltage power circuit between the high voltage battery and inverter by the control signal of BMS ECU.

[PRA Operation Sequence]

    Sub Battery Pack Assembly (Sub-BPA). Repair procedures

    Check the target charging voltage when replacing with a new module Fault Code1.Turn OFF the ignition switch.2.Connect the diagnostic tool device to the self-diagnosis connector (DLC)...

    Power Relay Assembly (PRA). Repair procedures

    Removal    • Be sure to read and follow the "General Safety Information and Caution" before doing any work related with the high voltage system...

    Other information:

    Hyundai Ioniq (AE) 2017-2024 Service Manual: Repair procedures


    Removal    • Be sure to read and follow the "General Safety Information and Caution" before doing any work related with the high voltage system. Failure to follow the safety instructions may result in serious electrical injuries...

    Hyundai Ioniq (AE) 2017-2024 Service Manual: Hybrid Starter Generator(HSG). Repair procedures


    Removal    • When working on the high voltage system, make sure that you are familiar and comply with the "Safety Precautions, Cautions and Warnings". If you do not comply with them, a serious accident such as electric shock or leakage may occur...

    Categories

    Hybrid Vehicle Interior Overview

    Hyundai Ioniq. Hybrid Vehicle Interior Overview

    1. Door lock/unlock button
    2. Driver position memory system
    3. Side view mirror control switch
    4. Central door lock switch

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