Kia Optima: ETC (Electronic Throttle Control) System. Troubleshooting - Engine Control System - Engine Control/Fuel System - Kia Optima TF 2011-2019 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:

Removal
1. Remove the rear wheel & tire. Tightening torque:88.3 ~ 107.9N.m(9.0 ~ 11.0kgf.m, 65.1 ~ 79.6lb-ft) ...

Inspection
1. Check the signal waveform of the CMPS and CKPS using the GDS. Specification: Refer to “Wave Form” ...

Instrument Cluster. Components and Components Location
Components ...

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