Hyundai Ioniq (AE): High Voltage Battery Control System / Main Fuse. Repair procedures

Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual / Hybrid Control System / High Voltage Battery Control System / Main Fuse. 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.
(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 cover (A).

5.
Remove the main fuse cover and then revmoing the main fuse (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.
1.
Install the main fuse in the reverse order of removal.
   
•
Be careful not to miss washers when installing the main fuse.
Inspection
1.
Remove the main fuse.
(Refer to High Voltage Battery Control System - "Main Fuse")
2.
Check the continuity between ends of the main fuse.

Specification : 1Ω or less [20°C (68°F)]
3.
If the measured resistance is not within the spec value, then exchange the main fuse by following the maintenance guideline.

    Circuit Diagram

    DescriptionBattery Temperature Sensor is installed inside the high voltage battery pack assembly. It measures the temperature of the battery module 1, 4 and air inlet.

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