Hyundai Ioniq (AE): Engine Control System / Mass Air Flow Sensor (MAFS). Specifications

Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual / Engine Control/Fuel System / Engine Control System / Mass Air Flow Sensor (MAFS). Specifications

Specifications
Air Flow (kg/h)
Frequency (kHz)
-40
1.49
-20
1.59
-10
1.68
-8
1.7
-6
1.72
0
1.81
6
1.93
8
1.97
10
2.01
20
2.21
40
2.52
60
2.74
90
3.05
120
3.34
140
3.53
160
3.73
250
4.62
310
5.28
370
6.03
440
7.06
560
9.46
640
11.83

    DescriptionMAFS uses a hot-film type sensing element to measure the mass of intake air entering the engine, and send the signal to ECM.A large amount of intake air represents acceleration or high load conditions while a small amount of intake air represents deceleration or idle.

    Circuit Diagram

    Other information:

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

    Inspection1.Turn the ignition switch OFF.2.Disconnect the evaporator temperature sensor connector.3.Measure the resistance between terminal "+" and "-" of the evaporator temperature sensor.Specification Evaporator core temperature [°C (°F)] Resistance [KΩ]

    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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