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Home >> Toyota >> 2005 >> Sienna LE, AWD >> Repair and Diagnosis >> Accessories & Equipment >> Infotainment >> Navigation System - Diagnostics >> Navigation System >> Route Cannot Be Calculated >> Inspection Procedure

Inspection Procedure

  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 Cracked Or Deformed Map Discs
    G02630280Courtesy 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  PROBLEM SYMPTOMS TABLE