Kia Optima: ETC (Electronic Throttle Control) System. Troubleshooting - Engine Control System - Engine Control/Fuel System - Kia Optima TF 2011-2026 Service ManualKia Optima: ETC (Electronic Throttle Control) System. Troubleshooting

Fail-Safe Mode

Item
Fail-Safe
ETC Motor
Throttle valve stuck at 5°
TPS
TPS 1 fault
ECM looks at TPS2
TPS 2 fault
ECM looks at TPS1
TPS 1,2 fault
Throttle valve stuck at 5°
APS
APS 1 fault
ECM looks at APS 2
APS 2 fault
ECM looks at 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)

Schematic Diagram
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ETC (Electronic Throttle Control) System. Specifications
Specification [Throttle Position Sensor (TPS)] Throttle Angle(°) Output Voltage(V) TPS1 TPS2 0 0.0 5.0 ...

See also:

Checking the Coolant Level
WARNING - Removing Radiator Cap Never attempt to remove the radiator cap while the engine is operating. Doing so might lead to cooling system and engine damage and could result in serio ...

Description and Operation
Description The Evaporative Emission Control System prevents fuel vapor stored in fuel tank from vaporizing into the atmosphere. When the fuel evaporates in the fuel tank, the vapor passes thro ...

Changing the Engine Oil and Filter
Change engine oil and filter according to the Scheduled Maintenance at the beginning of this section. WARNING - Engine Oil Continuous contact with USED engine oil has caused skin cancer in la ...

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