Kia 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:

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