Kia Niro: Engine Control System / ETC (Electronic Throttle Control) System Description and operation

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

Description

The Electronic Throttle Control (ETC) System consists of a throttle body with an integrated control motor and throttle position sensor (TPS). Unlike the existing mechanical throttle system that controls the throttle valve by using wire cable connected to the accelerator pedal, the ETC system controls the opening and closing of the throttle valve by the ECM with ETC motor according to the APS (Accelerator Position Sensor) signal mounted to electronic accelerator pedal module. The TPS signal is used to provide feedback regarding throttle position to the ECM. Also, the ETC system has the benefit of implementing cruise control function without additional external cruise control modules/cables.

1. Dry bearing
2. DC motor
3. Non-contact hall sensor
4. Gear
5. Magnet
6. Hall IC
7. Yoke
8. Stator

Schematic Diagram

ETC (Electronic Throttle Control) System Specifications
Specification [Throttle Position Sensor (TPS)] Throttle angle(°) Output Voltage (V) [Vref=5V] TPS1 TPS2 0 ...

ETC (Electronic Throttle Control) System Schematic diagrams
Circuit Diagram Harness Connector ...

Other information:

Kia Niro (DE HEV) Owners Manual: Driving at night
Because night driving presents more hazards than driving in the daylight, here are some important tips to remember: Slow down and keep more distance between you and other vehicles, as it may be more difficult to see at night, especially in areas where there may not be any street lights. ...

Kia Niro 2017 (DE HEV) Service Manual: Lane Departure Warning System (LDWS) Unit Repair procedures
Removal    When replacing the LDWS switch, check that the symbol mark in the cluster operates normally by pressing the ON/OFF switch. 1. Disconnect the negative (-) battery terminal. ...

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