Hyundai Ioniq (AE): Hybrid Motor Control System / Motor Temperature Sensor. Repair procedures

Inspection
1.
Check the temperature sensor resistance.
[Hybrid drive motor]
Measuring equipment : Multimeter
Category
Inspection area
Inspection criteria
Remarks
Resistance
(Temperature sensor)
Pin 4 - 8
8kΩ (30°C / 86°F) - 20kΩ (10°C / 50°F)
10 - 30°C / 50 - 86°F

[Hybrid starter generator (HSG)]
Measuring equipment : Multimeter
Category
Inspection area
Inspection criteria
Remarks
Resistance
(Temperature sensor)
Pin 4 - 9
126.8 kΩ
Based on ambient temperature (20°C)

2.
If you need to replace the temperature sensor, replace the HSG assembly.
(Refer to Hybrid Motor Assembly - "Hybrid Starter Generator".)

    Circuit DiagramTemperature sensor (hybrid drive motor)Resolver sensor (HSG)

    Other information:

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

    DescriptionThe ambient temperature sensor is located at the front of the condenser and detects ambient air temperature. It is a negative type thermistor; resistance will increase with lower temperature, and decrease with higher temperature.The sensor output will be used for discharge temperature control, temperature regulation door contrl, blower m

    Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual: General safety information and caution

    General Safety Information and CautionBe careful of the following precautions when driving the vehicle using the smart cruise control system.    â€¢ The smart cruise control system may have limits in detecting distance to the vehicle ahead due to road and traffic conditions.

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