Hyundai Ioniq (AE): High Voltage Battery Control System / Pre Charge Relay. Description and operation
Hyundai Ioniq (AE) 2017-2022 Service & Repair 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]
Removal • 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.
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Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual: Repair procedures
Removal1.Disconnect the negative (-) battery terminal.2.Remove the tailgate lid trim.(Refer to Body - "TailGate Lid Trim")3.Disconnect the Rear view camera connector (A).4.Remove the Rear view camera assembly after loosening the mounting screws.Installation1.
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