Inspection Procedure

HINT:

After the inspection is completed, clear the DTCs.

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

      OK: No deformations or cracks on the map disc. 

   Fig 1: Checking Disc

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   NG: Go to step  4

   OK: Go to Next Step 

2. 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 With Soft Cloth

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

      OK: Same problem does not occur. 

   OK: END 

   NG: Go to Next Step 

4. REPLACE MAP DISC 
   1. Replace the map disc.
   2. Clear the DTCs and recheck for DTCs.
   3. Check if the same trouble occurs again.

      OK: Same problem does not occur. 

   OK: END 

   NG: REPLACE NAVIGATION ECU