2008 Lexus SC 430FACTORY OEM SERVICE PROCEDURE

Inspection Procedure

WARNING: This page is about a different car, the 2007 Lexus SC 430. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK TOUCH PANEL 
    1. Check for foreign matter on the display.

      OK: 

      The display is clean. 

    NG: CLEAN THE DISPLAY AND RECHECK TOUCH PANEL 

    OK: Go to next step 

  2. CHECK TOUCH SWITCH (DISPLAY CHECK MODE) 
    1. Enter the Display Check mode's Touch Switch Check (see DISPLAY CHECK MODE  ).
      Fig 1: Diagnostic Tool Display - Touch Switch Check
      G05293265Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Touch the display in the area where the abnormal switch occurs.

      OK: 

      A "+" mark appears at the touched position. 

    NG: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE 

    OK: REPLACE MULTI-DISPLAY 

Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.

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