Inspection Procedure

WARNING: This page is about a different car, the 2007 Lexus SC 430. 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.
  
  Fig 1: Checking CD For Deformed Or Cracked
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  OK:
  
  No deformations or cracks on map disc.
NG: REPLACE MAP DISC

OK: Go to next step
CHECK DISPLAY
1. Check that displays other than the navigation display are complete.
  OK:
  
  No other incomplete displays are found.
NG: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE

OK: REPLACE NAVIGATION ECU