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Home >> Lexus >> 2005 >> ES 330 >> Repair and Diagnosis >> External Pages >> Different car >> Section 19 (Navigation System - Diagnosis) >> GPS Mark Does Not Appear >> Inspection Procedure

Inspection Procedure

WARNING: This page is about a different car, the 2004 Toyota Sienna. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK MARK DISPLAY 
    1. Check that the malfunction disappears when placing the vehicle outdoors with a good view.

      Standard: GPS mark is displayed. 

      NOTE: At the place surrounded by the architecture, the vehicle cannot receive the GPS radio wave.
    1. OK: SYSTEM OK 
    2. NG: Go to next step. 
  2. CHECK OPTIONAL COMPONENT 
    1. Check for optional component.
      1. Check if there are any optional components on the vehicle.

        Standard: There are no optional components on the vehicle. 

      2. Check if there is anything such as film stuck to the window or any metal objects on the instrument panel.

        Standard: There is nothing such as film stuck to the window or any metal objects on the instrument panel. 

    1. NG: EFFECT FROM OPTIONAL COMPONENT 
    2. OK: Go to next step. 
  3. REPLACE NAVIGATION ANTENNA ASSY (See  REPLACEMENT  ) 
    1. NG: REPLACE NAVIGATION ECU ASSY (See  REPLACEMENT  ) 
    2. OK: SYSTEM OK 
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