Inspection Procedure

1. CHECK THE MAP DISC 
   1. Check for dirt on the map disc surface.

      Standard: No dirt is on the map disc surface. 

   HINT:

   If dirt is on the map disc surface, wipe it with a soft cloth from inside to outside in a radial direction.

   Fig 1: Cleaning Disc

   Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
   NOTE: Do not use conventional record cleaner or anti-static preservative.

   NG: CLEAN THE MAP DISC 

   OK: Go to next step 

2. CHECK THE MAP DISC 

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

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

Fig 2: Checking For Deformations Or Cracks Of Map Disc

Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

NG: REPLACE THE MAP DISC 

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