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How To Proceed With Troubleshooting

WARNING: This page is about a different car, the 2004 Toyota 4Runner. However, it is still accessible from the selected car via links, so may be relevant.

HINT:

Troubleshoot in accordance with the procedures in the following.

  1. VEHICLE BROUGHT TO WORKSHOP 
  2. CUSTOMER PROBLEM ANALYSIS CHECK AND SYMPTOM CHECK (See  CUSTOMER PROBLEM ANALYSIS CHECK  ) 
  3. DTC CHECK (See  DIAGNOSTIC TROUBLE CODE CHART  ) 
    1. Check for DTCs and make a note of the code that is output.
    2. Delete the DTC.
    3. Check if the DTC will be output once again when the problem symptom is simulated based on the noted code.
      1. With an output of the code, proceed to A.
      2. Without an output of the code, proceed to B.

        A: Go To Step   5 

        B: Go To Next Step 

  4. PROBLEM SYMPTOMS TABLE (See  PROBLEM SYMPTOMS TABLE  ) 
  5. PERFORM TROUBLESHOOTING 
    1. Pre-check (See PRE-CHECK )
    2. Terminals of ECU (See TERMINALS OF ECU )
    3. Circuit inspection (See CIRCUIT DESCRIPTION  - See CIRCUIT DESCRIPTION )
  6. ADJUST, REPAIR OR REPLACE 
  7. RESET POWER WINDOW MOTOR 
    1. Turn the ignition switch ON.
    2. Open the back door glass.
    3. Push the back door power window switch until the door glass is fully closed, and continue to hold the switch 1 second more even after the door glass is fully closed.
    4. Check that the AUTO UP/DOWN function operates normally.

END