Hyundai Ioniq: Ignition System / Repair procedures

Hyundai Ioniq (AE) 2017-2025 Service Manual / Engine Electrical System / Ignition System / Repair procedures

On-vehicle Inspection
Spark test
1.
Check for DTCs.
   
If a DTC is present, perform troubleshooting in accordance with the procedure for that DTC.
(Refer to DTC guide)
2.
Check if sparks occur.
(1)
Remove the engine cover.
(2)
Remove the ignition coils.
(3)
Using a spark plug wrench, remove the spark plugs.
(4)
Disconnect the 4 injector connectors.
(5)
Ground the spark plug to the engine.

(6)
Check if sparks occur at each spark plug while engine is being cranked.
   
Do not crank the engine for more then 5 seonds.
3.
If sparks do not occur, perform the following test.

4.
Using a spark plug wrench, install spark plugs.
5.
Install the ignition coils.
6.
Install the cylinder head center cover and the engine cover.

    Description and operation

    DescriptionIgnition timing is controlled by the electronic control ignition timing system. The standard reference ignition timing data for the engine operating conditions are preprogrammed in the memory of the ECM (Engine Control Module)...

    Crankcase Emission Control System

    ..

    Other information:

    Hyundai Ioniq (AE) 2017-2025 Owner's Manual: Removable Towing Hook


    1. Open the liftgate, and take the towing hooks out from the tool case. ■ Front ■ Rear 2. Remove the hole cover by pressing the lower part of the cover on the front or rear bumper. 3. Install the towing hook by turning it clockwise into the hole until it is fully secured...

    Hyundai Ioniq (AE) 2017-2025 Service Manual: General safety information and caution


    Safety PrecautionPrecautions To Take Before Servicing High Voltage System    • 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...

    Categories

    Seat Belt Warning Light

    Seat belt warning light

    Hyundai Ioniq. Seat Belt Warning Light

    As a reminder to the driver, the seat belt warning light will illuminate and warning chime will sound for approximately 6 seconds each time you place the Engine Start/Stop button to the ON position if the seat belt is unfastened.

    read more


     
    Copyright © 2025 www.hioniqae.com