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Home › Lexus › 2004 › RX 330 AWD › Repair and Diagnosis › External Pages › Different car › Section 440 (LEXUS Navigation System - Diagnostics) › Route Cannot Be Calculated › Inspection Procedure

Inspection Procedure

WARNING: This page is about a different car, the 2005 Lexus RX 330. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK MAP DISC 
    1. Check that the map disc is not deformed or cracked.

      OK: No deformations or cracks appear on the map disc. 

      Fig 1: Identifying Deformed Or Cracked Map Disc
      G03009349Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. NG: REPLACE MAP DISC 
    2. OK: Go to next step. 
  2. SET DESTINATION 
    1. Set another destination and check if the system can calculate the route correctly.

      OK: Route can be correctly calculated. 

    1. OK: NORMAL OPERATION 
    2. NG: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN  PROBLEM SYMPTOMS TABLE  
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