Hyundai Ioniq (AE): Evaporative Emission Control System / Canister. Repair procedures

Removal
1.
Turn ignition switch OFF and disconnect the negative (-) battery cable.
2.
Remove the fuel tank.
(Refer to Engine Control/Fuel System - "Fuel Tank")
3.
Disconnect the vapor tube quick-connector (A).

4.
Remove the canister (A) from the fuel tank after loosening the bolts (B).

5.
Disconnect the vapor hose (A).

6.
Remove the canister protectors (A).

Inspection
1.
Check for the following items visually.
–
Cracks or leakage of the canister
–
Loose connection, distortion, or damage of the vapor hose/tube

A : Canister ↔ Atmosphere
B : Canister ↔ Intake Manifold
C : Canister ↔ Fuel Tank
Installation
1.
Install in the reverse order of removal.

    Schematic DiagramCanisterCanister is filled with charcoal and absorbs evaporated vapor in fuel tank. The gathered fuel vapor in canister is drawn into the intake manifold by the ECM/PCM when appropriate conditions are set.

    Replacement1.Turn ignition switch OFF and disconnect the negative (-) battery cable.2.Remove the filler-neck assembly(Refer to Engine Control/Fuel System - "Filler-Neck Assembly")3.

    Other information:

    Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual: General safety information and caution

    Safety PrecautionPrecautions To Take Before Servicing High Voltage System    â€¢ Since hybrid vehicles contain a high voltage battery, if the high voltage system or vehicles are handled incorrectly, this might lead to a serious accidents like electric shock and electric leakage.

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

    Trouble Symptom ChartsComponent Parts and Function Outline Component part Function Cruise Control Switch Input the set speed and distance to the SCC ECU. Instrument Cluster Display various information inputted from SCC.

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