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Home >> Lexus >> 2004 >> SC 430 >> Repair and Diagnosis >> External Pages >> Different car >> Section 329 (LEXUS Navigation System - Diagnosis) >> Circuit Inspection >> MAP Screen Display Does Not Appear (Disc Caution Screen Does Not Change >> Inspection Procedure

Inspection Procedure

WARNING: This page is about a different car, the 2003 Lexus LX 470. However, it is still accessible from the selected car via links, so may be relevant.
  1. Take appropriate measures according to the caution screen. 
    1. OK : Normal 
    2. NG : Go To Next Step 
  2. Check map DISC. 
    1. NG : Replace the disc. 
    2. OK : Replace the navigation ECU. 
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