Inspection Procedure

HINT:

After the inspection is completed, clear the DTCs.

1. CHECK THAT DISC IS INSERTED PROPERLY 
   1. Check whether or not the disc is inserted upside down.

      OK: The disc is properly inserted  .

      NG: REINSERT DISC 

      OK: Go to Next Step 

2. CHECK DISC 
   1. Check that the disc is not deformed or cracked.
      Fig 1: Checking Map Disc

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      OK: No deformation or cracks on the disc 

      NG: CHANGE DISC 

      OK: Go to Next Step 

3. DISC CLEANING 
   1. Disc cleaning
      1. If dirt is on the disc surface, wipe it clean with a soft cloth from the inside to the outside in a radial direction.
         NOTE: Do not use a conventional record cleaner or anti-static preservative.
         Fig 2: Cleaning Disc

         Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
4. CLEAR DTC 
   1. Clear the DTCs (See DTC CHECK / CLEAR  ).
5. RECHECK FOR DTC 
   1. Recheck for DTCs and check if the same trouble occurs again.

      OK: Malfunction disappears  .

      NG: Go to step   6 

      OK: END 

6. REPLACE DISC WITH ANOTHER AND RECHECK 
   1. Replace the disc with a known good one and recheck.
      1. Replace the disc with a known good one.
      2. Clear the DTCs (See DTC CHECK / CLEAR  ).
      3. Recheck for DTCs and check if the same trouble occurs again.

         OK: Malfunction disappears  .

         NG: REPLACE NAVIGATION RECEIVER ASSEMBLY  (See REMOVAL  )

         OK: END