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

Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual / Engine Control/Fuel System / Engine Control System / 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.

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