2003 Toyota Avalon

2003 Toyota Avalon Keyless Entry Remote Fob Programming Guide

Important Notice: This vehicle supports onboard programming for remote key fobs. Timing is essential. Be sure to follow each step promptly. Up to four remotes can be programmed during the same session.

Programming Procedure:

  • Step 1: Prepare the Vehicle Remove the key from the ignition. Open the driver’s door and leave it open. Confirm all other doors are closed. Ensure the driver’s door is unlocked.
  • Step 2: Insert and Remove Key Twice (Within 5 Seconds) A. Insert the key into the ignition (do not turn), then remove it. B. Repeat: Insert the key again (do not turn), then remove it.
  • Step 3: Door Cycle Sequence (Within 40 Seconds) A. Close, then open the driver’s door. B. Close, then open the driver’s door again. C. Insert the key into the ignition (do not turn), then remove it.
  • Step 4: Final Setup (Within 40 Seconds) A. Close, then open the driver’s door. B. Close, then open the driver’s door again. C. Insert the key into the ignition and leave it in. D. Close the driver’s door. E. Turn the ignition to ON (do not start the engine), then turn it OFF. F. Remove the key from the ignition.
  • Step 5: Confirm Programming Mode Within 3 seconds, the door locks should cycle (lock then unlock) automatically. If the locks do not cycle, restart the procedure from Step 1.
  • Step 6: Program Remote(s) (Within 40 Seconds per Remote) For each remote: A. Press and hold the lock and unlock buttons simultaneously for 1.5 seconds, then release. B. Immediately press and hold the lock button alone for 2 seconds, then release. C. The door locks should cycle once to confirm successful programming. If the locks cycle twice, the remote was not accepted. Repeat steps A and B.
  • Step 7: Finalize Programming Repeat Step 6 for any additional remotes. After all remotes are programmed, open the driver’s door to exit programming mode.

Additional Notes:

  • Up to four remotes can be programmed. All remotes must be programmed during the same session. Timing is essential—if the process fails, restart from Step 1.