Kia Optima Hybrid: Engine Control System / ETC (Electronic Throttle Control) System Troubleshooting
| Fail-Safe Mode |
| Item | Fail-Safe | |
| ETC Motor | Throttle valve stuck at 5° | |
| TPS | TPS 1 fault | Replace it with TPS 2 |
| TPS 2 fault | Replace it with TPS 1 | |
| TPS 1,2 fault | 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 | Throttle valve stuck at 5° | |
When throttle value is stuck at 5°, engine speed is limited
at below 1,500rpm and vehicle speed at maximum 40 ~ 50 km/h (25 ~ 31
mph) |
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). Instead of the traditional throttle cable, an Accelerator ...
ETC (Electronic Throttle Control) System Specifications
Specification [Throttle Position Sensor (TPS)] Throttle Angle(°)Output Voltage(V)TPS1TPS200.05.0100.484.52200.954.05301.433.57401.903.10502.382.62602.862.14703.331.67803.811.19904.290.711004.760.241055.00C.T ...
Other information:
Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Accelerator Pedal Repair procedures
Removal 1. Turn the ignition switch OFF and disconnect the negative (-) battery terminal. 2. Disconnect the accelerator position sensor connector (A). 3. Remove the mounting nuts (B) and bolt (C), and then remove the accelerator pedal module. Installation 1. Install in the reverse order of removal. Accelerator ...
Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Knock Sensor (KS) Repair procedures
Removal 1. Turn the ignition switch OFF and disconnect the battery negative (-) terminal. 2. Drain the engine coolant (Refer to “Cooling System” in EM group). 3. Remove the radiator upper hose (Refer to “Cooling System” in EM group). 4. Disconnect the knock sensor connector (A). 5. Remove the ...