Hyundai Ioniq: Exhaust Emission Control System / GPF (Gasoline Particulate Filter). Description and operation

CVVT (Continuously Variable Valve Timing) System. Description and operation

DescriptionContinuous Variable Valve Timing (CVVT) system advances or retards the valve timing of the intake and exhaust valve in accordance with the ECM control signal which is calculated by the engine speed and load...

GPF (Gasoline Particulate Filter). Schematic diagrams

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Hyundai Ioniq (AE) 2017-2025 Service Manual: Specifications

Specification[Throttle Position Sensor (TPS)] Throttle angle (°) Output Voltage (V) [Vref=5V] TPS1 TPS2 00.54.5100.964.05201.413...

Hyundai Ioniq (AE) 2017-2025 Service Manual: Troubleshooting

Trouble Symptom ChartsTrouble Symptom 1Trouble Symptom 2 Trouble symptom Probable cause Remedy The set vehicle speed varies greatly upward or downward"Surging" (repeated alternating acceleration and deceleration) occurs after settingMalfunction of the vehicle speed sensor circuitRepair the vehicle speed sensor system, or replace the partMalfunction of ECMCheck input and output signals at ECMTrouble Symptom 3 Trouble symptom Probable cause Remedy The CC system is not canceled when the brake pedal is depressedDamaged or disconnected wiring of the brake pedal switchRepair the harness or replace the brake pedal switchMalfunction of the ECM signalsCheck input and output signals at ECMTrouble Symptom 4 Trouble symptom Probable cause Remedy The CC system is not canceled when the shift lever is moved to the "N" position (It is canceled, however, when the brake pedal is depressed)Damaged or disconnected wiring of inhibitor switch input circuitRepair the harness or repair or replace the inhibitor switchImproper adjustment of inhibitor switchMalfunction of the ECM signalsCheck input and output signals at ECMTrouble Symptom 5 Trouble symptom Probable cause Remedy Cannot decelerate (coast) by using the "SET/–" switchTemporary damaged or disconnected wiring of "SET/–" switch input circuitRepair the harness or replace the "SET/–" switchMalfunction of the ECM signalsCheck input and output signals at ECMTrouble Symptom 6 Trouble symptom Probable cause Remedy Cannot accelerate or resume speed by using the "RES/+" switchDamaged or disconnected wiring, short circuit or "RES/+" switch input circuitRepair the harness or replace the "RES/+" switchMalfunction of the ECM signalsCheck input and output signals at ECMTrouble Symptom 7 Trouble symptom Probable cause Remedy CC system can be set while driving at a vehicle speed of less than 40km/h (25mph), or there is no automatic cancellation at that speedMalfunction of the vehicle-speed sensor circuitRepair the vehicle speed sensor system, or replace the partMalfunction of the ECM signalsCheck input and output signals at ECMTrouble Symptom 8 Trouble symptom Probable cause Remedy The cruise main switch indicator lamp does not illuminate (But CC system is normal)Damaged or disconnected bulb of cruise main switch indicator lampRepair the harness or replace the part...