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: Advanced Smart Cruise Control (ASCC) Switch Repair procedures

Inspection [Measuring Resistance] 1. Disconnect the smart cruise control switch connector from the control switch. 2. Measure resistance between terminals on the control switch when each function switch is ON (switch is depressed). Function switchTerminalResistanceSET -3 - 5550?±5%RES +3 - 5880?±5%CANCEL3 - 5330?±5%CRUISE3 - 51...

Hyundai Sonata LF 2014-2019 Service Manual: Knock Sensor (KS) Description and Operation

Description Knocking is a phenomenon characterized by undesirable vibration and noise and can cause engine damage. Knock Sensor (KS) is installed on the cylinder block and senses engine knocking. When knocking occurs, the vibration from the cylinder block is applied as pressure to the piezoelectric element...