Hyundai Ioniq (AE): Manifold Absolute Pressure Sensor (MAPS) / Repair procedures

Inspection
1.
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.
Turn ignition switch OFF and disconnect the negative (-) battery cable.
2.
Remove the air cleaner assembly
(Refer to Engine Mechanical System - "Air Cleaner")
3.
Disconnect the manifold absolute pressure sensor connector (A).
4.
Remove the installation bolt (B), and then remove the sensor from the surge tank.

Installation
   
•
Install the component with the specified torques.
•
Note that internal damage may occur when the component is dropped. If the component has been dropped, inspect before installing.
   
•
Insert the sensor in the installation hole and be careful not to damage.
1.
Install in the reverse order of removal.
Manifold absolute pressure sensor installation bolt :
9.8 - 11.8 N.m (1.0 - 1.2 kgf.m, 7.2 - 8.7 lb-ft)

    Circuit Diagram

    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.

    Other information:

    Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual: General safety information and caution

    General Safety Information and CautionBe careful of the following precautions when driving the vehicle using the smart cruise control system.    â€¢ The smart cruise control system may have limits in detecting distance to the vehicle ahead due to road and traffic conditions.

    Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual: Components and components location

    C

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