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Home >> Lexus >> 2003 >> LS 430 >> Repair and Diagnosis >> External Pages >> Different car >> Section 419 (Navigation System - Diagnostics) >> Map Screen Displayed Does Not Appear (Disc Caution Screen Does Not Change) >> Inspection Procedure

Inspection Procedure

WARNING: This page is about a different car, the 2003 Toyota 4Runner. However, it is still accessible from the selected car via links, so may be relevant.
  1. Take Appropriate Measures According To Caution Screen 
    1. Take appropriate measures according to caution screen.

      Caution Screen 

      CAUTION SCREEN DIAGNOSIS

      Caution Message Cause Corrective Action
      The DVD Cover Is Open. Close It And Perform Operation Again The Cover Of The Map Disk Slot Is Open Close The Cover
      No DVD. Please Insert Map DVD No Map Disk Is Inserted Insert A Proper Map Disc
      Unable To Read DVD Correctly. Check If The DVD Is Damaged Or Dirty Cannot Read Correctly Due To Flaw Or Dirt Insert A Correct Map Disc
      Unable To Read Data. Check If Map DVD Is Correct Something Other Than Map Disc Is Inserted Insert A Correct Map Disc
      Unable Read Data. Temperature Is Too High Pick-Up Part Of The Player Is Heated To A High Temperature Stop The Vehicle At A Shaded Cool Place And Turn The Ignition Switch OFF. When Confirming That The Temperature Of The Navigation ECU Has Been Lowered, Turn The Ignition Switch ON
      Unable To Read Data. Consult Your Dealer Player Cannot Read Map Disc Temporarily Turn The IG Switch From OFF To ON (1)
      (1) If the same "CAUTION MESSAGE" is displayed again even after turning the ignition switch to ON, replace the navigation ECU.

      Standard: Correctly functions. 

    1. OK: Normal 
    2. NG: Go To Next Step 
  2. Replace Disc Player Disc 
    1. NG: Check And Replace Navigation ECU 
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