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 THE BLUETOOTH SETTINGS 
    1. Check if the BLUETOOTH settings are correct.

      OK: 

      BLUETOOTH settings are correct. 

    NG: SET SETTINGS CORRECTLY 

    OK: Go to next step 

  2. CHECK CELLULAR PHONE 
    1. Check if the cellular phone is BLUETOOTH capable.

      HINT:

      Some versions of BLUETOOTH capable cellular phone may not be compatible.

      OK: 

      Phone is BLUETOOTH capable. 

    NG: END (ONLY BLUETOOTH CAPABLE CELLULAR PHONE CAN BE USED) 

    OK: Go to next step 

  3. CHECK SETTINGS 
    1. Check if the cellular phone functions.

      HINT:

      • The cellular phone is locked.
      • The directory is being transferred.
      • The line is crossed.
      • Transmission is regulated.
      • The power is off.
      • The cellular phone is not connected to BLUETOOTH ("BT" is displayed while connected).

        OK: 

        Above conditions do not exist. 

    NG: SET SETTINGS CORRECTLY 

    OK: Go to next step 

  4. CHECK CELLULAR PHONE 
    1. Check if the cellular phone can call.

      HINT:

      When the battery charge is low, calls cannot be made or received.

      OK: 

      Cellular phone can call. 

    NG: REPLACE CELLULAR PHONE 

    OK: Go to next step 

  5. CHECK RECEPTION 
    1. Set the cellular phone so that it can receive calls.
    2. Place the cellular phone close to the multi-display.
    3. Check if the cellular phone has reception according to the multi-display.

      OK: 

      Cellular phone has reception. 

    NG: REPLACE MULTI-DISPLAY 

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

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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.