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: Photo Sensor. Repair procedures

    Inspection1.Turn the ignition switch ON.2.Connect the GDS.3.Emit intensive light toward the photo sensor using a lamp, and check the output voltage change.4.The voltage will rise with higher intensive light and reduce with lower intensive light.1. Auto light signal2.

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

    Diagnosis with GDS1.REAR CORENER RADAR system defects can be quickly diagnosed with the GDS. GDS operates actuator quickly to monitor, input/output value and self diagnosis.2.Connect the cable of GDS to the data link connector in driver side crash pad lower panel, turn the power on GDS.

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