Hyundai Elantra: Ignition System / Repair procedures

Hyundai Elantra (CN7) 2021-2024 Service Manual / Engine Electrical System / Ignition System / Repair procedures

On-vehicle Inspection

Inspect ignition coil assembly and Perform spark test

Check for DTCs.

•	If a DTC is present, perform troubleshooting in accordance with the procedure for that DTC. (Refer to DTC guide)

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 injector extension 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 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 pre-pro grammed in the memory of the ECM (Engine Control Module)...

Ignition Coil

Description and operation DescriptionAn ignition coil is an induction coil in an engine's ignition system which transforms the battery's low voltage to the high voltage needed to create an electric spark in the spark plugs to ignite the fuel...

Other information:

Hyundai Elantra (CN7) 2021-2024 Owner's Manual: Sunvisor

To use a sunvisor, pull it downward. To use a sunvisor for a side window, pull it downward, unsnap it from the bracket (1) and swing it to the side (2). To use the vanity mirror, pull down the sunvisor and slide the mirror cover (3). Adjust the sunvisor forward or backward (4, if equipped) as needed...

Hyundai Elantra (CN7) 2021-2024 Service Manual: Schematic diagrams

Circuit DiagramWith Smart KeyWithout Smart Key..

Steering wheel audio control

The steering wheel audio control switches are installed for your convenience.

NOTICE

Do not operate audio remote control buttons simultaneously.

VOLUME (VOL + / VOL -) (1)

Move the VOLUME toggle switch up to increase volume. Move the VOLUME toggle switch down to decrease volume.