Hyundai Sonata: Repair procedures - Charging System - Engine Electrical System - Hyundai Sonata YF 2011-2019 Service ManualHyundai Sonata: Repair procedures

On-vehicle Inspection

Х
Check that the battery cables are connected to the correct terminals.
Х
Disconnect the battery cables when the battery is given a quick charge.
Х
Never disconnect the battery while the engine is running.
Check The Battery Terminals And Fuses
1.
Check that the battery terminals are not loose or corroded.
2.
Check the fuses for continuity.
Inspect Drive Belt
Visually check the belt for excessive wear, frayed cords etc.
If any defect has been found, replace the drive belt.
Cracks on the rib side of a belt are considered acceptable. If the belt has chunks missing from the ribs, it should be replaced.

Visually Check Alternator Wiring And Listen For Abnormal Noises
1.
Check that the wiring is in good condition.
2.
Check that there is no abnormal noise from the alternator while the engine is running.
Check Discharge Warning Light Circuit
1.
Warm up the engine and then turn it off.
2.
Turn off all accessories.
3.
Turn the ignition switch "ON". Check that the discharge warning light is lit.
4.
Start the engine and Check that the light goes off.
If the light does not go off as specified, troubleshoot the discharge light circuit.

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