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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    Care of disc
    If the temperature inside the car is too high, open the car windows to ventilate before using the system. It is illegal to copy and use MP3/WMA files without permission. Use CDs that are cr ...

    Special Service Tools
    Special Service Tools Tool(Number and Name) Illustration Use 09581-11000 Piston expander Spreading the front and r ...

    Manual climate control system
    1. Turn the ignition switch to the ON position. 2. Turn the mode selection knob to the defrost position (). 3. Push the air intake control button at least 5 times within 3 seconds. The indicator ...