Hyundai Ioniq: Ignition System / Description and operation

Hyundai Ioniq (AE) 2017-2025 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 preprogrammed 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 InspectionSpark test1.Check for DTCs. • If a DTC is present, perform troubleshooting in accordance with the procedure for that DTC...

Other information:

Hyundai Ioniq (AE) 2017-2025 Owner's Manual: Smart Cruise Control Vehicleto- Vehicle Distance

To set Vehicle-to-Vehicle Distance When the Smart Cruise Control System is ON, you can set and maintain the distance from the vehicle ahead of you without pressing the accelerator or brake pedal. Each time the button is pressed, the vehicle to vehicle distance changes as follows: For example, if you drive at 56 mph (90 km/h), the distance is maintained as follows: Distance 4 - approximately 172 feet Distance 3 - approximately 130 feet Distance 2 - approximately 106 feet Distance 1 - approximately 82 feet Information The distance is set to the last set distance when the system is used for the first time after the vehicle is in the ready () mode...

Hyundai Ioniq (AE) 2017-2025 Service Manual: High voltage shut-off procedures

High Voltage Shut-off Procedures • Be sure to read and follow the "General Safety Information and Caution" before doing any work related with the high voltage system. Failure to follow the safety instructions may result in serious electrical injuries...