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:
Turn the knob to the right to increase the temperature. Turn the knob to the
left to decrease temperature.
The temperature will increase or decrease by 1°F/0.5°C.
Temperature conversion
If the battery has been discharged or disconnected, the temperature mode display
will reset to Fahrenheit...
HCU Terminal and Input / Output SignalTerminal FunctionConnector [C133-S]
Pin No
Description
Connected to
1HCU GroundChassis ground2HCU GroundChassis ground3HCU GroundChassis ground4Battery power (B+)Battery5Battery power (B+)Battery6Battery power (B+)Battery7- 8- 9- 10- 11- 12- 13- 14- 15Brake Switch 2 signal inputBrake Switch (NC, IG1)16Brake Switch 1 signal inputBrake Switch (NO, B+)17- 18- 19- 20- 21- 22- 23- 24- 25- 26- 27- 28- 29- 30- 31-32-33-34- 35- 36- 37- 38Start signal inputSmart Key Unit39- 40- 41- 42- 43- 44- 45- 46- 47- 48- 49- 50- 51- 52- 53- 54- 55- 56- 57- 58- 59- 60- 61- 62- 63- 64- 65- 66- 67- 68- 69- 70- 71- 72- 73IGN signal inputSmart Key Unit74- 75- 76- 77- 78Powertrain CAN [High] signal inputOther control modules79Powertrain CAN [Low] signal inputOther control modules80- 81Hybrid CAN [High] signal inputOther control modules82Hybrid CAN [Low] signal inputOther control modules83- 84- 85- 86- 87- 88- 89- 90- 91- 92- 93- 94- Input/Output signalConnector [C133-S]
Pin no
Description
Condition
Type
Level
1HCU GroundAlwaysDC VoltageMax...
Categories
Seat belt warning light
As a reminder to the driver, the seat belt warning light will illuminate and
warning chime will sound for approximately 6 seconds each time you place the Engine
Start/Stop button to the ON position if the seat belt is unfastened.
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