Hyundai Ioniq: Engine Control System / Mass Air Flow Sensor (MAFS). Description and operation

Hyundai Ioniq (AE) 2017-2024 Service Manual / Engine Control/Fuel System / Engine Control System / Mass Air Flow Sensor (MAFS). Description and operation

Description
MAFS 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.
The ECM uses this information to control the EGR solenoid valve and correct the fuel amount.

    Repair procedures

    Inspection1.Connect the GDS on the Data Link Connector (DLC).2.Measure the output voltage of the MAPS at idle and IG ON. Specification : Refer to "Specification"Removal 1...

    Mass Air Flow Sensor (MAFS). Specifications

    Specifications Air Flow (kg/h) Frequency (kHz) -401.49-201.59-101.68-81.7-61.7201.8161.9381...

    Other information:

    Hyundai Ioniq (AE) 2017-2024 Service Manual: Repair procedures


    Adjustment1.Place the car on a flat surface and check whether the body and trunk lid are well-aligned. 2.After loosening the tailgate hinge (A) mounting bolt, adjust the tailgate by moving it up and down or from side to side. 3.Adjust the gap between the tailgate and body by turning the tailgate overslam bumpers (B)...

    Hyundai Ioniq (AE) 2017-2024 Owner's Manual: Odometer & Range


    Odometer The odometer indicates the total distance that the vehicle has been driven and should be used to determine when periodic maintenance should be performed. Range The range is the estimated distance the vehicle can be driven with the remaining fuel...

    Categories

    Rear Seats

    Folding the rear seat

    The rear seatbacks can be folded to facilitate carrying long items or to increase the luggage capacity of the vehicle.

    WARNING

    Never allow passengers to sit on top of the folded down seatback while the vehicle is moving. This is not a proper seating position and no seat belts are available for use. This could result in serious injury or death in case of an accident or sudden stop. Objects carried on the folded down seatback should not extend higher than the top of the front seatbacks. This could allow cargo to slide forward and cause injury or damage during sudden stops.

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