Hyundai Ioniq: High Voltage Battery Control System / Safety Plug. Repair procedures

Hyundai Ioniq (AE) 2017-2024 Service Manual / Hybrid Control System / High Voltage Battery Control System / Safety Plug. Repair procedures

Removal

1.	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.

Installation

•	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.

1.	Install the Safety Plug in the reverse order of removal.

Safety Plug. Schematic diagrams

C..

Main Relay. Description and operation

DescriptionThe Power Relay Assembly (PRA) consists of the positive and negative main relays, pre-charge relay, pre-charge resistor and battery current sensor...

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Hyundai Ioniq (AE) 2017-2024 Service Manual: Troubleshooting

Signal WaveformThe three waveforms below are taken from the #1 and #4 injectors. The top waveform is from the high side (feed side) of the #1 and #4 injectors, while the middle waveform is from the low side (ground side) of the #1 injector and the bottom waveform is from the low side of the #4 injector...