Hyundai Sonata: Description and Operation - Ignition System - Engine Electrical System - Hyundai Sonata YF 2011-2019 Service ManualHyundai 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). ...

    See also:

    Climate control air filter
    The climate control air filter installed behind the glove box filters the dust or other pollutants that come into the vehicle from the outside through the heating and air conditioning system. If ...

    Temperature control
    Type A Type B The temperature will increase to the maximum by turning the knob to the right. The temperature will decrease to the minimum by turning the knob to the left. When turning the ...

    Solenoid valve. Specifications
    Specification Item Function Piece Specification VFS     26/B T/Con 2 Control p ...