Hyundai Sonata: Repair procedures - Charging System - Engine Electrical SystemHyundai Sonata: Repair procedures

On-vehicle Inspection

Check that the battery cables are connected to the correct terminals.
Disconnect the battery cables when the battery is given a quick charge.
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.

    Description and Operation
    Description The charging system includes a battery, an alternator with a built-in regulator, and the charging indicator light and wire. The Alternator has built-in diodes, each rectifying A ...

    Alternator. Components and Components Location
    Components 1. Pulley 2. Front bracket 3. Front bearing 4. Bearing cover 5. Bearing cover bolt 6. Rotor 7. Rear bearing 8. Rear bracket 9. Through b ...

    See also:

    Auto Light Sensor Repair procedures
    Inspection Check if the auto light control operates like a timing chart shown below. Tail lamp output and head lamp (Low) output is controlled based on the auto light sensor's input (illuminati ...

    Seat belt restraint system
    WARNING For maximum restraint system protection, the seat belts must always be used whenever the car is moving. Seat belts are most effective when seatbacks are in the upright position. Chi ...

    Fuel Filler Door Release Actuator. Repair procedures
    Inspection 1. Remove the trunk room left side trim. (Refer to the BD group - "Interior trim") 2. Open the fuel filler door an ...