Hyundai Sonata LF: Engine Electrical System / Charging System

Spark Plug Repair procedures

Inspection [On vehicle inspection] 1. Accelerate the engine to about 3,000 rpm 3 times or more. 2. Remove the spark plug. 3. Check the spark plug visually...

Description and Operation

Description The charging system included a battery, an alternator with a built-in regulator, and the charging indicator light and wire. The Alternator has eight built-in diodes, each rectifying AC current to DC current...

Other information:

Hyundai Sonata LF 2014-2019 Service Manual: Spark Plug Description and Operation

Description A spark plug is a device for delivering electric current from an ignition system to the combustion chamber of a spark-ignition engine to ignite the compressed fuel/air mixture therein by means of an electric spark, while containing combustion pressure within the engine...

Hyundai Sonata LF 2014-2019 Service Manual: Seat Belt Buckle Switch (BS) Description and Operation

Description The SRSCM shall monitor the status of the driver and front passenger seat belt buckle. The SRSCM provides one pin each for the driver and front passenger seat belt buckle status input. The seat belt buckle circuit operates from internal boost voltage supplied by the SRSCM, and uses chassis ground for the signal return...