Hyundai Sonata: 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 ...

Other information:

Hyundai Sonata LF 2014-2019 Service Manual: Specifications
Specification ItemResistance (?)Driver Airbag (DAB)2.0 ~ 6.0Passenger Airbag (PAB)1.6 ~ 6.0Side Airbag (SAB)1.6 ~ 6.0Curtain Airbag (CAB)1.6 ~ 6.0Knee Airbag (KAB)1.6 ~ 6.0Seat Belt Pretensioner (BPT)1.6 ~ 6.0Emergency Fastening Device (EFD)1.6 ~ 6.0Seat Belt Buckle Switch (BS)1.6 ~ 6.0 Tigh ...

Hyundai Sonata LF 2014-2019 Owners Manual: Seat Belt Warning Light
Seat belt warning light (for driver's seat) The driver's seat belt warning light and chime will come on according to the following table when the ignition switch is in the ON position. Seat belt warning light (for front passenger's seat) The front passenger's seat belt warning light will activat ...