Hyundai Sonata: Fuel Filler Door Open Switch Repair procedures - Fuel Filler Door - Body Electrical SystemHyundai Sonata: Fuel Filler Door Open Switch Repair procedures

Inspection
1.
Disconnect the negative (-) battery terminal.
2.
Using a screwdriver or remover, remove the fuel filler door open switch (A).
   
Take care not to scratch the crash pad surface.

3.
Disconnect the fuel filler door open switch connector (A).

4.
Apply battery voltage to each terminal No.2 (+) and No.7 (-) as shown in the table. check for continuity between the terminal No 2 and No 5.
If the operation is abnormal, replace the switch assembly.

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