Route cannot be Calculated

1. Check that the map disc is not deformed or cracked.
   Fig 1: Ensure Map Disc Is Not Cracked Or Deformed

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   OK: No deformations or cracks on map disc. 

NG: REPLACE MAP DISC 

OK: GO TO NEXT STEP. 

1. Set another destination and check if the system can calculate the route correctly.

   OK: Route can be correctly calculated. 

NG: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN  PROBLEM SYMPTOMS TABLE  

OK: NORMAL OPERATION