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 2017 (DE HEV) Service Manual: Electric EGR Control Valve Description and operation
Description The Electric EGR Control Valve is a solenoid valve installed between the EGR cooler and the exhaust line that controls the EGR (Exhaust Gas Recirculation) amount by the ECM's duty control signal depending on engine load and the intake air demand. The Exhaust Gas R ...

Kia Niro 2017 (DE HEV) Service Manual: Rear Washer Motor Repair procedures
Inspection 1. With the washer motor connected to the reservoir tank, fill the reservoir tank with water.    Before filling the reservoir tank with water, check the filter ...

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