Inspection Procedure

WARNING: This page is about a different car, the 2004 Lexus LS 430. However, it is still accessible from the selected car via links, so may be relevant.

CHECK THE MAP DISC

Fig 1: Checking Map Disc
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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 with a soft cloth from inside to outside in a radial direction.

NOTE: Do not use conventional record cleaner or anti-static preservative.

NG: CLEAN THE MAP DISC

OK: Go to next step.
CHECK THE 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 Map Disc
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
NG: REPLACE THE MAP DISC

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