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Home >> Lexus >> 2013 >> IS 250C Base >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Infotainment >> Navigation System (Diagnostic Codes & Circuit Tests) >> Navigation System >> Circuit Tests >> Route cannot be Calculated >> Procedure

Route cannot be Calculated: Procedure

  1. CONFIRM SYMPTOMS 
    1. Confirm the information about the situation when the route calculation did not complete.

      Result

      Result Proceed to
      Route cannot be calculated for any destination. A
      A road in the route is closed or has not been officially opened yet. B
      A ferry crossing is included in the route. B
      The destination is too close. B
      The route cannot be calculated only when driving on a bumpy road. B

      HINT: 

      A route cannot be calculated if the route is unavailable, a ferry crossing is included in the route, the destination is too close or when driving on bumpy roads.

    B → NORMAL OPERATION 

    A: Go to next step 

  2. REPLACE HARD DISK DRIVE 
    1. Replace the hard disk drive. Refer to REMOVAL [08/2012 - ] .
    2. Set another destination and check if the system can calculate the route correctly.

      OK

      Route can be correctly calculated.

    NG → See step   3 

    OK → END 

  3. PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE [08/2012 - ]