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: Description and operation

    DescriptionIn ordinary cars, the mechanical water pump mounted on the engine for heating purposes is activated to circulate the cooling water, but in hybrid cars, AEWP is used to circulate the cooling water when the engine is not operating. Classification System Cooling water used

    Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual: Intake Actuator. Repair procedures

    Inspection1.Turn the ignition switch OFF.2.Disconnect the intake actuator connector.3.Verify that the intake actuator operates to the fresh position when connecting 12V to terminal 3 and grounding terminal 4.Verify that the intake actuator operates to the recirculation position when connected in reverse.

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