Hyundai Ioniq (AE): High Voltage Battery Control System / Battery Current Sensor. Repair procedures

Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual / Hybrid Control System / High Voltage Battery Control System / Battery Current Sensor. 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.
   
•
Battery Current Sensor are integrated into the PRA which can’t be disassembled. So refer to "Power Relay Assembly (PRA)" for removal or installation procedure.
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.
   
•
Battery Current Sensor are integrated into the PRA which can’t be disassembled. So refer to "Power Relay Assembly (PRA)" for removal or installation procedure.
Inspection
   
•
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.
Connect the GDS to the Data Link Connector (DLC).
2.
Turn the ignition switch ON.
3.
Check the battery current in GDS service data.

    Circuit Diagram

    DescriptionThe main fuse is mounted in the safety plug and protects the high voltage battery and high voltage circuits from overcurrent.

    Other information:

    Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual: Evaporator Temperature Sensor. Description and operation

    DescriptionThe evaporator temperature sensor will detect the evaporator core temperature and interrupt compressor relay power in order to prevent evaporator from freezing by excessive cooling. The evaporator temperature sensor has the Negative Temperature Coefficient (NTC).

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

    Replacement1.Disconnect the negative (-) battery terminal. 2.Remove the heater and blower assembly.(Refer to Heater - "Heater Unit") 3.Remove the evaporator core cover (A) after loosening the mounting screws.4.Pull out the evaporator temperature sensor (A) from the evaporator core.

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