Hyundai Ioniq: Power Cable / Repair procedures

Hyundai Ioniq (AE) 2017-2025 Service Manual / Hybrid Control System / Power Cable / 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.

1.	Shut off the high voltage circuit. (Refer to Hybrid Control System - "High Voltage Shutoff Procedure")

2.	Remove the air cleaner assembly and air duct. (Refer to Engine Mechanical System - "Air Cleaner")

Disconnect the power cable (A) from the HPCU.

•	Remove the inverter power cale in the follwing order.

4.	Remove the positive (+) cable (A) after loosening the mounting nut.

5.	Remove the high voltage battery inlet cooling duct. (Refer to High Voltage Battery Cooling System - "Cooling Duct")

6.	Disconnect the power cable connector (-) (A) and power cable connector (+) (B).

7.	Disconnect the auxiliary 12V battery positive (+) cable after loosening the mounting nut (C).

8.	Disconnect the ground cable (D) after loosening the mounting bolt.

9.	Lift the vehicle.

10.	Remove the side under cover (A) after loosening the mounting bolts and nuts.

11.	Remove the power cable after loosening the mounting nuts (A).

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.

•	Be sure to shut off the high voltage before doing any work related with the high voltage system (Refer to "High Voltage Shut-off Procedure"). Failure to follow the safety instructions may result in serious electrical injuries.

Install in the reverse order of removal.

Power cable mounting nut :

7.8 - 11.8 N.m (0.8 - 1.2 kgf.m, 5.8 - 8.7 lb-ft)

Ground cable mounting bolt :

10.8 - 13.7 N.m (1.1 - 1.4 kgf.m, 8.0 - 10.1 lb-ft)

Components and components location

C..

Engine Mechanical System

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