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Home >> Hyundai >> 2015 >> Sonata Eco >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 74 (General Information (Body Electrical System) (HEV)) >> General Information >> General Troubleshooting Information >> Before Troubleshooting

Before Troubleshooting

WARNING: This page is about a different variant/trim than selected.
  1. Check applicable fuses in the appropriate fuse/relay box.
  2. Check the battery for damage, state of charge, and clean and tight connections.

    (Refer to the "CHARGING SYSTEM - SONATA HEV ")

    NOTE:
    • Do not quick-charge a battery unless the battery ground cable has been disconnected, otherwise you will damage the alternator diodes.
    • Do not attempt to crank the engine with the battery ground cable loosely connected or you will severely damage the wiring.
  3. Check the alternator belt tension.
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