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Hyundai Equus: Description and Operation - Ignition System - Engine Electrical System - Hyundai Equus VI 2009-2026 Service ManualHyundai Equus: 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
    ...

    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 ...

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    Hood Latch Repair procedures
    Replacement 1. Remove the hood latch cover (A) mounting clip. (Refer to Engine Mechanical System - "Active Air Flap(AAF)") 2. Loosen the hood latch (B) mounting bolts. Tightening torque : ...

    Rear Door Side Curtain Description and Operation
    Overview Rear door curtains shield the vehicle’s inside from sunlight and provides privacy for rear passengers. - Switch-operated power curtains (rear LH and RH doors). - Rear curtain swi ...

    Engine Control Module (ECM) Repair procedures
    Removal     When replacing the ECM, the vehicle equipped with the immobilizer must be performed procedure as below. [In the case of installing used ECM] 1) Perform "ECM Neutra ...

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