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: Mode Control Actuator. Components and components location

    C

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

    Replacement1.Remove the battery (-) terminal.2.Remove the engine room under cover.(Refer to Engine Mechanical System - "Engine Room Under Cover")3.Remove the heater hose (A) and AEWP hose (B).4.Disconnect the lock pin to remove the heater hose pump connector (A).

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