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: PTC Heater. Repair procedures

    InspectionOperating Logic Test (Manual only)Inspect the PTC operation by confirmation logic as follows.1.Entering(1)Set the Floor mode and maximum heating position.(2)Turn off the blower switch.(3)Press the intake (recirculation) button 5 times or more.

    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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