Hyundai Sonata LF: Ignition System / Description and Operation

Hyundai Sonata LF 2014-2019 Service Manual / Engine Electrical System / 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 procedure for that DTC...

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    Hyundai Sonata LF 2014-2019 Service Manual: Schematic Diagrams


    Schematic [EPB Type] [General Type] Terminal Funtion [EPB Type] PIN NODesciptionCurrentmaxmin1Voltage supply for pump motor39A 10A 2RR EPB motor power30A - 3RR EPB motor ground30A - 4- - - 5Local CAN High 30mA 20mA 6Electric parking brake signal 1 20mA - 7Electric parking brake signal 220mA - 8Electric parking brake signal 320mA - 9Electric parking brake signal 420mA - 10- - - 11- - - 12RL EPB motor ground30A - 13RL EPB motor power30A - 14Ground for solenoid valves and ECU30A 10A 15- - - 16ESS200mA 100mA 17FR Wheel speed sensor signal16...

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