Hyundai Sonata: Ignition System / Description and Operation

Hyundai Sonata LF 2014-2019 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 Inspection Inspect ignition coil assembly and Perform spark test 1. Check for DTCs. • If a DTC is present, perform troubleshooting in accordance with the ...

Other information:

Hyundai Sonata LF 2014-2019 Owners Manual: Child-Protector Rear Door locks
The child safety lock is provided to help prevent children seated in the rear from accidentally opening the rear doors. The rear door safety locks should be used whenever children are in the vehicle. The child safety lock is located on the edge of each rear door. When the child safety lock is in ...

Hyundai Sonata LF 2014-2019 Owners Manual: Owner Maintenance Schedule
When you stop for fuel: Check the engine oil level. Check coolant level in the engine coolant reservoir. Check the windshield washer fluid level. Check for low or under-inflated tires. WARNING Be careful when checking your engine coolant level when the engine is hot. This may result in coolan ...