Kia Niro: Engine Control System / ETC (Electronic Throttle Control) System Troubleshooting

Kia Niro 2017 (DE HEV) Service Manual / Engine Control/Fuel System / Engine Control System / ETC (Electronic Throttle Control) System Troubleshooting

Fail-Safe Mode
Item
Fail-Safe
ETC Motor
Throttle valve stuck at 7°
TPS
TPS 1 fault
Replace it with TPS 2
TPS 2 fault
Replace it with TPS 1
TPS 1, 2 fault
Throttle Angle (°)
 Throttle valve stuck at 5°
APS
APS 1 fault
Replace it with APS 2
APS 2 fault
Replace it with APS 1
APS 1, 2 fault
Engine idle state

  

When throttle value is stuck at 7°, engine speed will be limited to below 1,500 rpm and vehicle speed to maximum of 40 - 50 km/h (25 - 31 mph).

ETC (Electronic Throttle Control) System Repair procedures
Inspection Throttle Position Sensor (TPS) 1. Connect the KDS/GDS on the Data Link Connector (DLC). 2. Start the engine and measure the output v ...

Manifold Absolute Pressure Sensor (MAPS) Specifications
Specification Pressure [kPa (kgf/cm², psi)] Output Voltage (V) [Vref = 5V] 20.0 (0.20, 2.9) 0.79 46.7 (0.47, ...

Other information:

Kia Niro (DE HEV) Owners Manual: Towing service
If emergency towing is necessary, we recommend having it done by an authorized Kia dealer or a commercial tow-truck service. Proper lifting and towing procedures are necessary to prevent damage to the vehicle. The use of wheel dollies (1) or flatbed is recommended. On FWD vehicles, it is ac ...

Kia Niro 2017 (DE HEV) Service Manual: Rail Pressure Sensor (RPS) Description and operation
Description Installed on the delivery pipe, the Rail Pressure Sensor (RPS) measures the instantaneous fuel pressure in the delivery pipe. The sensing element (Semiconductor element) built in the sensor converts the pressure to voltage signal. By using this signal, the ECM can cont ...

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