LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2005 >> ES 330 >> Repair and Diagnosis >> External Pages >> Different car >> Section 126 (Navigation System - Diagnostics) >> Navigation System >> Map Disc Read Error >> Inspection Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Inspection Procedure

WARNING: This page is about a different car, the 2005 Toyota Sienna. However, it is still accessible from the selected car via links, so may be relevant.
  1. 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
    G02630282Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. NG: CLEAN MAP DISC 
    2. OK: GO TO NEXT STEP 
  2. 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 Cracked Or Deformed Map Discs
    G02630283Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. NG: REPLACE MAP DISC 
    2. OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN  DIAGNOSTIC TROUBLE CODE TABLE