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Route cannot be Calculated [08/2013 - ]: Procedure

WARNING: This page is about a different car, the 2014 Lexus ES 300h. However, it is still accessible from the selected car via links, so may be relevant.
  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 [08/2013 - ] .
    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 [08/2013 - ]