Kia Niro: 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 ...