Hyundai Ioniq: High Voltage Battery Control System / Pre Charge Relay. Description and operation

Hyundai Ioniq (AE) 2017-2023 Service Manual / Hybrid Control System / High Voltage Battery Control System / Pre Charge Relay. 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]

    Main Relay. 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...

    Pre Charge Relay. Specifications

    Specification Item Specification ContactRated Voltage (V)450Rated Current (A)20CoilOperating Voltage (V)12Resistance (Ω)40...

    Other information:

    Hyundai Ioniq (AE) 2017-2023 Owner's Manual: Additional Safety Precautions


    Passengers should not move out of or change seats while the vehicle is moving. A passenger who is not wearing a seat belt during a crash or emergency stop can be thrown against the inside of the vehicle, against other occupants, or be ejected from the vehicle...

    Hyundai Ioniq (AE) 2017-2023 Owner's Manual: Occupant Classification System (OCS)


    Your vehicle is equipped with an Occupant Classification System (OCS) in the front passenger's seat. Main components of the Occupant Classification System A detection device located within the front passenger seat cushion. Electronic system to determine whether the passenger air bag systems should be activated or deactivated...

    Categories

    Air Bag Warning Labels

    Hyundai Ioniq. Air Bag Warning Labels

    Air bag warning labels, required by the U.S. National Highway Traffic Safety Administration (NHTSA), are attached to alert the driver and passengers of potential risks of the air bag system. Be sure to read all of the information about the air bags that are installed on your vehicle in this Owners Manual.

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