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 Service Manual: Components and Components Location
Components NoConnector AConnector  BConnector  C1Room lamp_outputGNDTrunk release switch_input2Heated handle power_IGN 2-Brake switch_input3heated handle_outputAuto light power_outputFog lamp switch_input4-Chassis CAN (Low)Head lamp high switch_input5Safety power window enable_outputC ...

Hyundai Sonata LF 2014-2019 Service Manual: Components and Components Location
Components 1. Lower cover2. Steering wheel3. Clock Spring4. Driver Airbag (DAB)5. Remote control switch ...

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