2003 Lexus GS 300FACTORY OEM SERVICE PROCEDURE

Sliding Roof System: Reset

WARNING: This page is about a different car, the 2004 Lexus ES 330. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: Always reset the sliding motor whenever disconnecting the battery, replace (removing and installing) the sliding roof or the PWR No. 1 fuse. If not, the AUTO operation and jam protection function will not work.
  1. RESET SLIDING ROOF DRIVE GEAR (MOTOR)Β 
    1. Set the sliding roof glass in the fully tilt-up position.
    2. Push and hold the sliding roof switch UP until the sliding roof tilts down a little.
    3. Check that the sliding roof tilts up/down and slides open/close in the AUTO operation.

      HINT:

      If the sliding roof is not in the correct position, press and hold the sliding roof switch UP and CLOSE until 10 seconds have passed after the roof stops moving or starts the reverse operation. The reset operation will be completed.

  2. INSPECT SLIDING ROOF SYSTEM OPERATION (See Β ON-VEHICLE INSPECTIONΒ Β  )Β 

    HINT:

    If the jam protection function does not work, reset the sliding roof drive gear (motor) again.

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.