2005 Toyota PriusFACTORY OEM SERVICE PROCEDURE

Power Window - Diagnostics: Initialization

  1. RESET (INITIALIZE) POWER WINDOW REGULATOR MOTOR (DRIVER SIDE) 
    NOTE:
    • Resetting the power window regulator motor (initializing the pulse sensor) is necessary if: 1) the battery terminal cable is disconnected; 2) the power window regulator master switch assembly, wire harness, power window regulator switch, power window regulator assembly and power window regulator motor are replaced or removed/installed; or 3) the POWER fuse, FR DOOR fuse, GAUGE fuse and ECU-IG fuse are replaced. If resetting is not performed, the master switch assembly will not be able to operate the AUTO operation function, jam protection function and remote UP/DOWN function. 
    1. Turn the power switch ON (IG).
    2. Open the power window halfway by pressing the power window switch.
    3. Fully pull up on the switch until the power window is fully closed and continue to hold the switch for at least 1 second.
    4. Check that the AUTO UP/DOWN function operates normally.

      If the AUTO UP/DOWN function operates normally, reset operations are complete. If abnormal, follow steps (e) to (g) below.

    5. Disconnect the negative (-) battery terminal cable for 10 seconds.
    6. Connect the battery terminal cable.
    7. Perform steps (a) to (d) again.
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.