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

Hyundai Ioniq (AE) 2017-2025 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) 2017-2025 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) 2017-2025 Owner's Manual: Shift Lever Position

P (Park) Always come to a complete stop before shifting into P (Park). To shift from P (Park), you must depr ess firmly on the brake pedal and make sure your foot is off the accelerator pedal. If you have done all of the above and still cannot shift the lever out of P (Park), see "Shift-Lock Release" in this section...