Hyundai Accent: ETC (Electronic Throttle Control) System. Troubleshooting

Hyundai Accent RB (2010-2018) Service Manual / Engine Control/Fuel System / Engine Control System / ETC (Electronic Throttle Control) System. Troubleshooting

Fail-Safe Mode

Item	Fail-Safe
ETC Motor	Throttle valve stuck at 7°
TPS	TPS 1 fault	ECM looks at TPS2
	TPS 2 fault	ECM looks at TPS1
	TPS 1,2 fault	Throttle valve stuck at 7°
APS	APS 1 fault	ECM looks at APS 2
	APS 2 fault	ECM looks at APS 1
	APS 1,2 fault	Engine idle state

When throttle value is stuck at 7°, 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 0.5 4.5 ...

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