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

Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual / Hybrid Control System / High Voltage Battery Control System / Battery Temperature 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.
1.
Shut off the high voltage.
(Refer to Hybrid Control System - "High Voltage Shut-off Procedures")
2.
Remove the high voltage battery pack assembly.
(Refer to High Voltage Battery System - "Battery Pack Assembly")
3.
Remove the battery pack assembly rear cover (A) after loosening the mounting nuts.

4.
Remove the battery temperature sensor (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 battery temperature sensors in the reverse order of removal.
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.
Shut off the high voltage circuit.
(Refer to Hybrid Control System - "High Voltage Shut-off Procedures")
2.
Connect the GDS to the Data Link Connector (DLC).
3.
Turn the ignition switch ON.
4.
Check the battery temperature in GDS service data.

5.
Disconnect the battery temperature signal connector (A).

6.
Measure resistances of the temperature signal terminals (Refer to the table below), then compare the value with the GDS service data.
Item
Terminals
Module 1
BMS ECU B01-T (1), (7)
Module 4
BMS ECU B01-T (2), (8)
Air Inlet
BMS ECU B01-T (4), (10)

Specification : Refer to "Specification"

    Circuit Diagram

    Other information:

    Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual: In-car Sensor. Repair procedures

    Diagnosis With GDS1.The heating, ventilation and air conditioning can be quickly diagnosed failed parts with vehicle diagnostic system (GDS).※ The diagnostic system (GDS) provides the following information.(1) Self diagnosis : Checking the failure code (DTC) and display.

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

    DescriptionThe smart cruise control system allows a driver to program the vehicle to control the speed and following distance by detecting the vehicle ahead without depressing the brake pedal and the accelerator pedal.1.Cruise speed control : The vehicle maintains the selected speed if there are not vehicles ahead.

    Categories

     
    Copyright © 2026 www.hioniqae.com - 0.0207