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Home >> Toyota >> 2001 >> Sienna CE >> Repair and Diagnosis >> External Pages >> Different car >> Section 474 (LEXUS Navigation System - Diagnosis) >> Circuit Inspection >> 14. Map is displayed in white or blue screen. (Switches and vehicle position mark are displayed.) >> Inspection Procedure

Inspection Procedure

WARNING: This page is about a different car, the 2003 Lexus LS 430. However, it is still accessible from the selected car via links, so may be relevant.
  1. Set map scale to max. 
    1. OK : Normal. 

      HINT:

      Correct the current position and check it again.

    2. NG : Go to next step. 
  2. Wipe disc with soft cloth, insert again, and turn ignition switch ON from OFF. 
    1. OK : Normal. 

      HINT:

      If the trouble still occurs, replace the navigation ECU.

    2. NG : Replace MAP DISC. 
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