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: Repair procedures
Adjustment 1. After loosening the hinge (A) mounting bolt, adjust the hood (B) by moving it up or down, or right or left. 2. Adjust the hood height by turning the hood overslam bumpers (C). 3. After loosening the hood latch (D) mounting bolts, adjust the latch by moving it up or down, or ...

Hyundai Sonata LF 2014-2019 Owners Manual: Sunvisor
To use a sunvisor, pull it downward. To use a sunvisor for a side window, pull it downward, unsnap it from the bracket (1) and swing it to the side (2). To use the vanity mirror, pull down the sunvisor and slide the mirror cover (3). Adjust the sunvisor forward or backward (4) as needed. Use the t ...

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