Kia Niro: Engine Control System / Mass Air Flow Sensor (MAFS) Description and operation
| Description |
MAFS uses a sensing element made of a hot-film to measure the mass of intake air entering the engine and to send the signal to the ECM.
A large amount of intake air represents acceleration or high load conditions while a small amount of intake air represents deceleration or idle.
The ECM uses this information to control the EGR solenoid valve and correct the fuel amount.
Manifold Absolute Pressure Sensor (MAPS) Troubleshooting
Signal Waveform
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Mass Air Flow Sensor (MAFS) Schematic diagrams
Circuit Diagram
Harness Connector
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Other information:
Kia Niro 2017 (DE HEV) Service Manual: Brake Pedal Repair procedures
Removal
1.
Turn ignition switch OFF and disconnect the negative (-) battery terminal.
2.
Remove the crash pad lower panel.
(Refer to Body - "Crash Pad")
3.
Remove the knee air bag.
(Refer to Restrain ...
Kia Niro (DE HEV) Owners Manual: Driving on grades
Reduce speed and shift to a lower gear before you start down a long or steep
downgrade. If you don’t shift down, you might have to use your brakes so much that
they would get hot and no longer operate efficiently.
On a long uphill grade, shift down and reduce your speed to around 70 km/h (45 ...
