Map Disc Read Error: Procedure

1. Check for dirt on the map disc surface.
   Fig 1: Cleaning CD Surface

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   OK

   No dirt is on map disc surface.

   HINT: 

   If the disc is dirty, clean the disc by wiping the disc's surface radially with a soft cloth.

   NOTE:

   Do not use a conventional record cleaner or anti-static preservative.

NG → CLEAN MAP DISC 

OK: Go to next step 

1. Check that the map disc is not deformed or cracked.
   Fig 2: Checking Map Disc for Cracking Or Deformation

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   OK

   No deformations or cracks on map disc.

NG → REPLACE MAP DISC 

OK → PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN DIAGNOSTIC TROUBLE CODE CHART