Hyundai Elantra: Ignition System / Description and operation

Hyundai Elantra (CN7) 2021-2024 Service Manual / Engine Electrical System / Ignition System / Description and operation

Description

Ignition 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).

The engine operating conditions (speed, load, warm-up condition, etc.) are detected by the various sensors. Based on these sensor signals and the ignition timing data, signals to interrupt the primary current are sent to the ECM.

The ignition coil is activated, and timing is controlled.

Ignition System

Repair procedures

On-vehicle InspectionInspect ignition coil assembly and Perform spark test1.Check for DTCs. • If a DTC is present, perform troubleshooting in accordance with the procedure for that DTC...

Other information:

Hyundai Elantra (CN7) 2021-2024 Service Manual: Coolant

Repair procedures Replacement and Air Bleeding • Never remove the reservoir tank cap when the engine is hot. Serious scalding could be caused by hot fluid under high pressure escaping from the radiator. • When pouring engine coolant, be sure to shut the relay box lid and not to let coolant spill on the electri..

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

If the remote key is not working properly, try replacing the battery with a new one. Battery Type: CR2032 To replace the battery: 1. Insert a slim tool into the slot and gently pry open the cover. 2. Using a screw driver, remove the battery cover. 3. Remove the old battery and insert the new battery. Make sure the battery position is correct. 4. Reinstall the battery cover and key cover in ..

Manual climate control system

To defog inside windshield

[A] : Type A, [B] : Type B

1. Select any fan speed except “0” position.

2. Select the desired temperature.

3. Select the or position.