Hyundai Ioniq (AE): High Voltage Battery System / Case. Repair procedures

Removal
[High Voltage Battery Front Cover]
1.
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.
Remove the rear door scuff trim.
(Refer to Body - "Door Scuff Trim")
4.
Remove the upper frame (A) after loosening the mounting bolts and nuts.

5.
Remove the high voltage battery rear cover (A) after loosening the mounting bolts and nuts.

6.
Remove the high voltage battery front cover (A) after loosening the mounting bolts and nuts.

[High Voltage Battery Rear Cover]
1.
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.
Remove the rear door scuff trim.
(Refer to Body - "Door Scuff Trim")
4.
Remove the upper frame (A) after loosening the mounting bolts and nuts.

5.
Remove the high voltage battery rear cover (A) after loosening the mounting bolts and nuts.

[Battery Pack Front Cover]
1.
Remove the high voltage battery pack assembly.
(Refer to High Voltage Battery System - "Battery Pack Assembly")
2.
Remove the battery pack assembly front cover (A) after loosening the mounting nuts.

[Battery Pack Rear Cover]
1.
Remove the high voltage battery pack assembly.
(Refer to High Voltage Battery System - "Battery Pack Assembly")
2.
Remove the battery pack assembly rear cover (A) after loosening the mounting nuts.

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 case in the reverse order of removal.
High voltage battery rear and front cover installation bolt / nut : 7.8 - 11.8 N.m (0.8 - 1.2 kgf.m, 5.8 - 8.7 lb-ft)
Battery pack rear and front cover installation nut :
7.8 - 11.8 N.m (0.8 - 1.2 kgf.m, 5.8 - 8.7 lb-ft)

    Removal    â€¢ Be sure to read and follow the "General Safety Information and Caution" before doing any work related with the high voltage system.

    Other information:

    Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual: Mode Control Actuator. Repair procedures

    Inspection1.Turn the ignition switch OFF.2.Disconnect the mode control actuator connector.3.Verify that the mode control actuator operates to the defrost mode when connecting 12V to terminal 3 and grounding terminal 4.Verify that the mode control actuator operates to the vent mode when connected in reverse.

    Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual: Repair procedures

    Replacement1.Remove the battery (-) terminal.2.Remove the engine room under cover.(Refer to Engine Mechanical System - "Engine Room Under Cover")3.Remove the heater hose (A) and AEWP hose (B).4.Disconnect the lock pin to remove the heater hose pump connector (A).

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