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:
Removal and Installation1.Disconnect the battery negative terminal.2.Remove the air cleaner assembly.(Refer to Intake and Exhaust System - "Air Cleaner")3.Disconnect the wiring connectors and harness clamps and remove the wiring protector around the intake manifold...
DescriptionThe high voltage battery system consists of the BMS ECU (Battery Management System ECU), Power Relay Assembly (PRA), safety plug, battery temperature sensor, and battery ambient sensor. Especially the BMS ECU controls SOC (State Of Charge), power, cell balancing, cooling and troubleshooting of the high voltage battery system...
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