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 that the map disc is not deformed or cracked.
  OK: No deformations or cracks appear on the map disc.
  
  Fig 1: Identifying Deformed Or Cracked Map Disc
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. NG: REPLACE MAP DISC
2. OK: Go to next step.
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 2: Cleaning Map Disc
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. NG: CLEAN MAP DISC
2. OK: Go to next step.
NAVIGATION CHECK MODE (MICROPHONE CHECK)
1. Enter the "Microphone Check" mode (see NAVIGATION CHECK MODE (MICROPHONE CHECK) )
2. Follow the directions on the screen. Check if the word recognition indicator lights up in green for each item.
  OK: All check items are recognized.
  
  Fig 3: Display Microphone Check Screen
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. NG: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE
2. OK: REPLACE NAVIGATION ECU (SEE NAVIGATION ECU )