Hyundai Ioniq (AE): High Voltage Battery System / Power Relay Assembly (PRA). Description and operation
Hyundai Ioniq (AE) 2017-2022 Service & Repair 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]
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).
Removal • Be sure to read and follow the "General Safety Information and Caution" before doing any work related with the high voltage system.
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