Hyundai Ioniq: Manifold Absolute Pressure Sensor (MAPS) / Repair procedures
| 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" |
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| 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. 
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| Install the component with the specified torques. |
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| Note that internal damage may occur when the component is dropped. If the component has been dropped, inspect before installing. |
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| Insert the sensor in the installation hole and be careful not to damage. |
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| 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) |
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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:
DescriptionThe A/C Pressure Transducer (APT) converts the pressure value of high pressure line into voltage value after measuring it. By converted voltage value, engine ECU controls the cooling fan by operating it high speed or low speed. Engine ECU stops the operation of the compressor when the temperature of refrigerant line is very high or very low irregularly to optimize air conditioning system...
SpecificationAir Conditioner
item
Specification
CompressorTypeHES20 (Electric Scroll)Communication typeCAN communicationOil type & CapacityPOE Oil, 130 ± 10cc (4.58 ± 0.35oz.)Motor typeBLDCRated voltage240VOperation voltage160 - 275VExpansion valveTypeBlock type RefrigerantTypeFor Europe (Regulated area)Except EuropeR - 1234yf R - 134a Capacity600 ± 25 g (21...
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