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

Hyundai Ioniq (AE) 2017-2025 Service Manual / Hybrid Control System / High Voltage Battery Control System / Main 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]

Safety Plug. Repair procedures

Removal1.Turn the ignition switch OFF and disconnect the auxiliary 12V battery negative (-) terminal.2.Remove the safety plug cover (A).3.Unfasten the hook (A) and then remove the safety plug (C) by pulling the lever (B) to the direction of arrow...

Main Relay. Specifications

Specification Item Specification ContactRated Voltage (V)450Rated Current (A)80CoilOperating Voltage (V)12Resistance (Ω)20...

Other information:

Hyundai Ioniq (AE) 2017-2025 Service Manual: Components and components location

Component Location1. Head lamp (Low)2. Head lamp (High)3. Position lamp4. Turn signal lamp5. Daytime Running Light (DRL)6.Turn signal lamp (Door mirror)7. Vanity lamp8. Map lamp1. Tail lamp2. Tail lamp/Stop lamp3. Back up lamp4. Turn signal lamp5. Stop lamp6...

Hyundai Ioniq (AE) 2017-2025 Service Manual: Rear Glass Defogger Switch. Repair procedures

Inspection1.The body electrocal system can be quickly diagnosed failed parts with vehicle diagnostic system(GDS).The diagnostic system (GDS) provides the following information.(1)Self diagnosis : Checking the failure code (DTC) and display(2)Current data : Checking the system input/output data state(3)Actuation test : Checking the system operation condition(4)Additional function : Other controlling such as he system option and zero point 2...