Inspection Procedure

1. Check that the map disc is not deformed or cracked.

   OK: 

   No deformations or cracks on map disc. 

NG: REPLACE MAP DISC 

Fig 1: Identifying Wrong Method Of Disc Cleaning

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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