Hyundai Sonata: Description and Operation - Ignition System - Engine Electrical SystemHyundai Sonata: 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.

    Repair procedures
    On-vehicle Inspection Spark Test 1. Disconnect the ignition coil connectors (A). 2. Remove the ignition coils (A). ...

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    Glove box
    The glove box can be locked and unlocked with a master key (or the mechanical key of the smartkey) (1). To open the glove box, pull the handle and the glove box will automatically open. Close ...

    Maintenance services
    You should exercise the utmost care to prevent damage to your vehicle and injury to yourself whenever performing any maintenance or inspection procedures. Should you have any doubts concerning the ...

    Fan speed control
    The ignition switch must be in the ON position for fan operation. The fan speed control knob allows you to control the fan speed of the air flowing from the ventilation system. To change the fa ...