2007 Lexus GX 470FACTORY OEM SERVICE PROCEDURE

How To Proceed With Troubleshooting

HINT:

Troubleshoot in accordance with the procedures on the following information.

  1. VEHICLE BROUGHT TO WORKSHOP 

    NEXT: Go to next step 

  2. CUSTOMER PROBLEM ANALYSIS CHECK AND SYMPTOM CHECK 

    NEXT: Go to next step 

  3. DTC CHECK 
    1. Check for DTCs and make a note of the code that is output.

      HINT:

      See DIAGNOSTIC TROUBLE CODE TABLE  .

    2. Delete the DTC.
    3. Check if the DTC is output once again when the problem symptom is simulated based on the noted code.

    Result 

    RESULT REFERENCE

    Result Proceed to
    No DTCs output A
    DTCs output B

    A: GO TO STEP   6 

    B: Go to next step 

  4. PROBLEM SYMPTOMS TABLE 

    HINT:

    See CUSTOMIZE PARAMETERS  .

    NEXT: Go to next step 

  5. PERFORM TROUBLESHOOTING 
    1. Operation check.

      HINT:

      See OPERATION CHECK  .

    2. Circuit inspection

      HINT:

      See REMOTE UP/DOWN FUNCTION DOES NOT OPERATE  to MANUAL UP/DOWN FUNCTION DOES NOT OPERATE ON DRIVER SIDE  .

    NEXT: Go to next step 

  6. ADJUST, REPAIR OR REPLACE 

    NEXT: Go to next step 

  7. RESET POWER WINDOW MOTOR 
    1. If any of the power window switch illuminations is blinking, reset the power window for the switch with the blinking illumination.
      1. Turn the ignition switch ON.
      2. Open the door glass.
      3. Fully pull up the power window switch until the door glass is fully closed.
      4. Continue to hold the switch 1 second or more even after the door glass is fully closed.
      5. Check that the AUTO UP/DOWN function operates completely.

      NEXT: END 

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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