MAP Disc Read Error

1. Check for dirt on the map disc surface.

   OK : No dirt is on map disc surface. 

   NOTE: Do not use a conventional record cleaner or antistatic preservative.

   HINT:

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

NG : CLEAN MAP DISC 

Fig 1: Cleaning Disc

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK : GO TO NEXT STEP 

1. Check that the map disc is not deformed or cracked.

   OK : No deformations or cracks on map disc. 

NG : REPLACE MAP DISC 

Fig 2: Ensure Map Disc Is Not Cracked Or Deformed

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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