Inspection Procedure

1. Check for dirt on the map disc surface.

   OK: No dirt is on the map disc surface. 

   Fig 1: Cleaning Disc Surface With Soft Cloth

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   HINT:

   If the disc is dirty, clean the disc by wiping the disc 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.

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

Fig 2: Identifying Disc In Deformed Or Cracked Condition
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPLACE MAP DISC 

OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE (See  PROBLEM SYMPTOMS TABLE   )