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Home >> Lexus >> 2003 >> SC 430 >> Repair and Diagnosis >> External Pages >> Different car >> Section 202 (Audio System - Diagnosis) >> System Check Mode (DTC Check)
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System Check Mode (DTC Check)

WARNING: This page is about a different car, the 2004 Lexus LS 430. However, it is still accessible from the selected car via links, so may be relevant.

HINT:

Illustrations may differ from the actual vehicle depending on the device settings and options. Therefore, some detailed areas may not be shown exactly the same as on the actual vehicle.

  1. Start the diagnostic mode (see  DIAGNOSTIC START-UP/FINISH  ). 
  2. Read the system check result. 
    1. Press the "SEEK TRACK" switch to see the check result of each component.
    2. The component device code (physical address) is displayed first, and then the check result follows.

    HINT:

    • If all check results are "good" the system judges that no DTC exists.
    Fig 1: Identifying Seek Track Switch
    G01578569Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. Detailed information mode (when displaying the DTC for a trouble component) 
    1. With "CHEC" or "ECHN" being displayed, press the preset switch "2" to go to the detailed information mode.
    2. Press the "SEEK TRACK" switch to display the "System check result (SYS)" and "Diagnostic memory response (CODE)".
      Fig 2: Identifying Preset Switch
      G01578570Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Fig 3: Identifying Detailed Information Mode
      G01578571Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Displayed Items in Detailed Information Mode
      Fig 4: Displaying Items In Detailed Information Mode
      G01578572Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Check the trouble area referring to the DTC list.
    5. To return to the service check mode, press the preset switch "3".