Hyundai Ioniq: High Voltage Battery Control System / Safety Plug. Description and operation

Hyundai Ioniq (AE) 2017-2025 Service Manual / Hybrid Control System / High Voltage Battery Control System / Safety Plug. Description and operation

Description

Safety Plug is installed on the rear side of the high voltage battery and it can mechanically shut the high voltage circuit off when servicing the high voltage system. (i.e. High Voltage Battery, Power Relay Assembly, HPCU, BMS ECU, Hybrid Drive Motor, Inverter, HSG, LDC, Power Cable, etc.)

It includes a fuse in order to prevent the high voltage system from overcurrent.

BMS ECU. Repair procedures

Removal1.Shut off the high voltage.(Refer to Hybrid Control System - "High Voltage Shut-off Procedures")2.Remove the rear seat cushion.(Refer to Body - "Rear Seat Assembly")3...

Safety Plug. Specifications

Specification Item Specification Rated Voltage (V)400Rated Current (A)80Fuse Rated Current (A)125Fuse Melting TimeRated Current x 110%Min...

Other information:

Hyundai Ioniq (AE) 2017-2025 Service Manual: Door Scuff Trim. Components and components location

C..

Hyundai Ioniq (AE) 2017-2025 Service Manual: Intake Air Temperature Sensor (IATS). Repair procedures

Inspection1.Turn the ignition switch OFF.2.Disconnect the IATS connector.3.Measure resistance between the IATS terminals 3 and 4.4.Check that the resistance is within the specification. Specification : Refer to "Specification"Removal 1.Turn ignition switch OFF and disconnect the negative (-) battery cable...