Hyundai Ioniq: High Voltage Battery Control System / Pre-Charge Resistor. Repair procedures

Hyundai Ioniq (AE) 2017-2023 Service Manual / Hybrid Control System / High Voltage Battery Control System / Pre-Charge Resistor. Repair procedures

Removal
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 inlet cooling duct.
(Refer to Hybrid Control System - "Cooling Duct")
7.
Disconnect the pre-charge resistor (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 in the reverse order of removal.
High voltage battery rear cover installation bolt/nut :
7.8 - 11.8 N.m (0.8 - 1.2 kgf.m, 5.8 - 8.7 lb-ft)
Inspection
1.
Remove the pre-charge resistor.
(Refer to High Voltage Battery Control System - "Pre-Charge Resistor")
2.
Check for continuity between the terminals using an ohmmeter.
Specification : 40Ω [20°C (68°F)]

    Pre-Charge Resistor. Schematic diagrams

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    Tilt Steering / Telescope Steering

    Adjust the steering wheel so it points toward your chest, not toward your face. Make sure you can see the instrument cluster warning lights and gauges. After adjusting, push the steering wheel both up and down to be certain it is locked in position. Always adjust the position of the steering wheel before driving.

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    NEVER adjust the steering wheel while driving. This may cause loss of vehicle control resulting in an accident.

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