Kia Niro: Engine Control System / Electric EGR Control Valve Troubleshooting

Signal Waveform

Fig.1) Duty control [EEGR Motor (-)] during deceleration or idle

Fig.2) Duty control [EEGR Motor (+)] during acceleration

Electric EGR Control Valve Repair procedures
Inspection [Motor] 1. Switch "OFF" the ignition. 2. Disconnect the EEGR valve connector. 3. Check if the EEGR ...

Fuel Delivery System
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Other information:

Kia Niro 2017 (DE HEV) Service Manual: Manifold Absolute Pressure Sensor (MAPS) Description and operation
Description Manifold Absolute Pressure Sensor (MAPS) is a speed-density type sensor installed on the surge tank. It senses absolute pressure of the surge tank and transfers the analog signal proportional to the pressure to the ECM. By using this signal, the ECM calculates the inta ...

Kia Niro 2017 (DE HEV) Service Manual: Fuel Pressure Sensor (FPS) Schematic diagrams
Circuit Diagram Fail-Safe Mode Item Fail-Safe Output Voltage (V) 12    If the fuel pressure sensor malfunctions, it enters fail safe mode. This ...

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