Hyundai Ioniq (AE): ETC (Electronic Throttle Control) System / Troubleshooting

Hyundai Ioniq (AE) 2017-2022 Service & Repair 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	Replace it with TPS 2
	TPS 2 fault	Replace it with TPS 1
	TPS 1, 2 fault	Throttle Angle (°)	Throttle valve stuck at 7°
		Duty (%)	• TPS1 : 13.37 - 19.37 • TPS2 : 80.63 - 86.63
		Output Voltage (V)	• TPS1 : 0.67 - 0.97 • TPS2 : 4.03 - 4..33
APS	APS 1 fault	Replace it with APS 2
	APS 2 fault	Replace it with 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 - 50km/h (25 - 31mph).

❮Specifications

Specification[Throttle Position Sensor (TPS)] Throttle angle (°) Output Voltage (V) [Vref=5V] TPS1 TPS2 00.

Schematic diagrams❯

Schematic DiagramCircuit Diagram

Other information:

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Hyundai Ioniq (AE): ETC (Electronic Throttle Control) System / Troubleshooting

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