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Home >> Toyota >> 2005 >> Highlander Limited, AWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Infotainment >> Navigation System - Diagnostics >> Map Disc Read Error >> Inspection Procedure

Inspection Procedure

  1. CHECK THE MAP DISC 
    1. Check for dirt on the map disc surface.

      OK: No dirt is on the map disc surface. 

      HINT:

      If dirt is on the map disc surface, wipe it with a soft cloth from inside to outside in a radial direction.

      NOTE: Do not use conventional record cleaner or anti-static preservative.
      Fig 1: Cleaning MAP Disc
      G02596270Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. NG: CLEAN THE MAP DISC 
    2. OK: Go To Next Step 
  2. CHECK THE MAP DISC 
    1. Check that the map disc is not deformed or cracked.

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

      Fig 2: Identifying Cracked Or Deformed Map Discs
      G02596271Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. NG: REPLACE THE MAP DISC 
    2. OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN  DIAGNOSTIC TROUBLE CODE CHART