Hyundai Sonata LF: Body Electrical System / General Information

Body Electrical System

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General Information

General Troubleshooting Information Before Troubleshooting 1. Check applicable fuses in the appropriate fuse/relay box. 2. Check the battery for damage, state of charge, and clean and tight connections...

Other information:

Hyundai Sonata LF 2014-2019 Service Manual: 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. If the electrode is dry, the spark plug is normal. If the electrode is wet, check the damage and electrode gap as below...

Hyundai Sonata LF 2014-2019 Service Manual: Heater Core Repair procedures

Replacement 1. Disconnect the negative (-) battery terminal. 2. After loosening the bolts remove the main crash pad and cowl cross bar assembly together. (Refer to Heater -"Heater Unit") 3. Remove the heater core cover (A) after loosening the mounting screws...