Hyundai Ioniq (AE): 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]

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

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

    Other information:

    Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual: Photo Sensor. Description and operation

    Description The photo sensor is located at the center of the defrost nozzles.The photo sensor contains a photovoltaic (sensitive to sunlight) diode. The solar radiation received by its light receiving portion, generates an electromotive force in proportion to the amount of radiation received which is transferred to the automatic temperature control

    Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual: Components and components location

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