How To Proceed With Troubleshooting

2007 Scion tC Base, AutomaticSECTION How To Proceed With Troubleshooting

HINT:

Use these procedure to troubleshoot the power window control system.

  1. VEHICLE BROUGHT TO WORKSHOP 
  2. INSPECT BATTERY VOLTAGE 

    Standard voltage: 

    11 to 14 V 

    If the voltage is below 11V, recharge or replace the battery before proceeding.

  3. PROBLEM SYMPTOMS TABLE 

    Result 

    PROBLEM SYMPTOMS CHART

    Result Proceed to
    Fault is not listed In problem symptoms table A
    Fault Is listed In problem symptoms table B

    B: Go to step   5 

    A: GO TO NEXT STEP 

  4. OVERALL ANALYSIS AND TROUBLESHOOTING 
    1. Terminals of ECU (See TERMINALS OF ECU  ).
    2. On-vehicle inspection (See ON-VEHICLE INSPECTION  ).
    3. Inspection (See INSPECTION  ).
  5. REPAIR OR REPLACE 
  6. RESET POWER WINDOW MOTOR 
    1. If the AUTO switch light of the power window switch is blinking after the repair, reset the power window motor (See INITIALIZATION  ).
  7. CONFIRMATION TEST 

    END 

RENDER: 1.0x

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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.