LEMON Manuals: Even more car manuals for everyone
Home >> Lexus >> 2005 >> GS 430 >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Infotainment >> LEXUS Navigation System - Diagnostics >> Circuit Inspection >> 17. Panel switch does not function. (Navigation screen only) >> Inspection Procedure

Inspection Procedure

  1. Display check mode (Panel switch check screen). 
    1. NG: Replace the multi display. 
    2. OK: Go to next step. 
  2. Check "AVC-LAN communication circuit". (See  AVC-LAN (COMMUNICATION BUS) CIRCUIT   ) 
    1. NG: Replace or repair AVC-LAN circuit. 
    2. OK: Replace the navigation ECU. 
scientia non olet · About LEMON Manuals