Hyundai Ioniq: High Voltage Battery Cooling System / Cooling Duct. Repair procedures

Hyundai Ioniq (AE) 2017-2025 Service Manual / Hybrid Control System / High Voltage Battery Cooling System / Cooling Duct. 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.

Cooling Duct (Inlet)

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 inlet cooling duct (A) after loosening the mounting fastener.

Cooling Duct (Outlet)

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 outlet cooling duct (A) after loosening the mounting nut.

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.

Install the cooling ducts in the reverse order of removal.

Outlet cooling duct installation nut :

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

Cooling Fan. 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...

Low Voltage DC/DC Converter (LDC)

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Hyundai Ioniq (AE) 2017-2025 Service Manual: Fuel Pump Control Module (FPCM). Repair procedures

Removal1.Turn the ignition switch OFF and disconnect the battery negative (-) cable.2.Remove the rear seat cushion. (Refer to Body - "Rear Seat Assembly")3.Remove the fuel pump service cover (A). • When reinstalling a protective cover for a fuel pump, remove the existing butyl tape and apply a new one...