Hyundai Ioniq: Engine Control System / Mass Air Flow Sensor (MAFS). Repair procedures

Hyundai Ioniq (AE) 2017-2025 Service Manual / Engine Control/Fuel System / Engine Control System / Mass Air Flow Sensor (MAFS). Repair procedures

Inspection
1.
Check the MAFS visually.
Mounting direction correct.
Any contamination, corrosion or damage on connector.
Air cleaner's clogging or wet.
MAFS cylinder's deforming or blocking by any foreign material.
2.
Check any leakage on intake system and intercooler system.
Removal
1.
Turn the ignition switch OFF and disconnect the battery (-) cable.
2.
Disconnect the mass air flow sensor connector (A) and the installation clamp (B).
3.
Remove the mass air flow sensor (C).

Installation
   
Install the component with the specified torques.
Note that internal damage may occur when the component is dropped. In this case, use it after inspecting.
   
Be careful not to damage the sensing element and the honey cell.
1.
Install in the reverse order of removal.
Mass air flow sensor installation bolt :
2.9 - 4.9 N.m (0.3 - 0.5 kgf.m, 2.2 - 3.6 lb-ft)
Mass air flow sensor clamp installation bolt :
2.9 - 4.9 N.m (0.3 - 0.5 kgf.m, 2.2 - 3.6 lb-ft)

    Mass Air Flow Sensor (MAFS). Schematic diagrams

    C..

    Intake Air Temperature Sensor (IATS). Description and operation

    DescriptionIntake Air Temperature Sensor (IATS) is included inside Manifold Absolute Pressure Sensor and detects the intake air temperature.To calculate precise air quantity, correction of the air temperature is needed because air density varies according to the temperature...

    Other information:

    Hyundai Ioniq (AE) 2017-2025 Service Manual: Components and positions


    C..

    Hyundai Ioniq (AE) 2017-2025 Service Manual: Resolver Sensor. Repair procedures


    Inspection1.Check the resolver sensor resistance. [Hybrid drive motor] Measuring equipment: Multimeter Category Inspection area Inspection criteria Remarks Resistance(Resolversensor)Pin 1 - 511...

    Categories

    Hybrid Vehicle Engine Compartment

    Hyundai Ioniq. Hybrid Vehicle Engine Compartment

    1. Engine oil filler cap
    2. Engine oil dipstick
    3. Engine coolant cap
    4. Engine coolant reservoir
    5. Inverter coolant reservoir

    read more


     
    Copyright © 2025 www.hioniqae.com