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

...

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 Owners Manual: Securing a child restraint with the LATCH anchors system
To install a LATCH-compatible child restraint in either of the rear outboard seating positions: 1. Move the seat belt buckle away from the lower anchors. 2. Move any other objects away from the anchors that could prevent a secure connection between the child restraint and the lower anchors. 3. Pla ...

Hyundai Sonata LF 2014-2019 Service Manual: Troubleshooting
Troubleshooting Problem Symptoms Table Before replacing or repairing air conditioning components, first determine if the malfunction is due to the refrigerant charge, air flow or compressor. Use the table below to help you find the cause of the problem. The numbers indicate the priority ...