Hyundai Ioniq (AE): 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).

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

    Schematic DiagramCircuit Diagram

    Other information:

    Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual: Ambient Temperature Sensor. Repair procedures

    Inspection1.Check the resistance of the ambient temperature sensor between terminals 1 and 2 whether it changes by changing the ambient temperature.1. Ambient Sensor (+)2. Sensor groundSpecification Ambient temperature [°C (°F)] Resistance between terminal 1 and 2 (

    Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual: Smart Cruise Control (SCC) Switch. Components and components location

    C

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