Map Disc Read Error (From 8/2009): Procedure

CHECK MAP DISC
1. Check that the map disc is not deformed or cracked.
  
  Fig 1: Checking Disc For Deformed Or Cracked
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  OK
  
  No deformations or cracks appear on the map disc.
NG → REPLACE MAP DISC

OK: Go to next step
CHECK MAP DISC
1. Check for dirt on the map disc surface.
  
  Fig 2: Cleaning Disc With Soft Cloth
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  OK
  
  No dirt is on the map disc surface.
  
  NOTE:
  Do not use a conventional record cleaner or anti-static preservative.
  
  HINT:
  
  If the disc is dirty, clean the disc by wiping the disc surface radially with a soft cloth.
NG → CLEAN MAP DISC

OK → See step 3
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to PROBLEM SYMPTOMS TABLE