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).

    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: Auto Defoging Actuator. Repair procedures

    Inspection1.Turn the ignition switch OFF. 2.Disconnect the auto defogging connector. 3.Verify that the auto defogging actuator operates to the open position when connecting 12V to terminal 3 and grounding terminal 4. Verify that the auto defogging actuator operates to the close position when connected in reverse.

    Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual: Repair procedures

    Removal1.Disconnect the negative (-) battery terminal.2.Remove the tailgate lid trim.(Refer to Body - "TailGate Lid Trim")3.Disconnect the Rear view camera connector (A).4.Remove the Rear view camera assembly after loosening the mounting screws.Installation1.

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