Inspection Procedure

WARNING: This page is about a different car, the 2005 Lexus RX 330. However, it is still accessible from the selected car via links, so may be relevant.

CHECK MAP DISC
1. Check for dirt on the map disc surface.
  OK: No dirt is on the map disc surface.
  
  HINT:
  
  If dirt is on the map 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 1: Cleaning Map Disc
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. NG: CLEAN MAP DISC
2. OK: Go to next step.
CHECK MAP DISC
1. Check that the map disc is not deformed or cracked.
  OK: No deformations or cracks appear on the map disc.
  
  Fig 2: Identifying Deformed Or Cracked Map Disc
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. NG: REPLACE MAP DISC
2. OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN DIAGNOSTIC TROUBLE CODE CHART