Hyundai Sonata: 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
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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: Engine Compartment
1. Engine oil filler cap 2. Engine oil dipstick 3. Brake fluid reservoir 4. Positive battery terminal 5. Negative battery terminal 6. Fuse box 7. Air cleaner 8. Radiator cap 9. Engine coolant reservoir 10. Windshield washer fluid reservoir 1. Engine oil filler cap 2. Engine oil dipstick 3. Brake f ...

Hyundai Sonata LF 2014-2019 Owners Manual: Electronic Brake force Distribution (EBD) System Warning Light
These two warning lights illuminate at the same time while driving: When the ABS and regular brake system may not work normally. In this case, have your vehicle inspected by an authorized HYUNDAI dealer. WARNING Electronic Brake force Distribution (EBD) System Warning Light When both ABS and Parkin ...

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