Without HDS

Start the engine.
- If the engine does not start, go to the immobilizer system troubleshooting (see ENGINE DOES NOT START WITH THE IMMOBILIZER KEY ).
- If the engine starts, go to step 2.
Press the lock or unlock button five or six times to reset the transmitter.
- If the locks work, the transmitter is OK.
- If the locks don't work, go to step 3.
Open the transmitter and check for water damage.
- If you find any water damage, replace the transmitter.
- If there is no water damage, go to step 4.
  
  Fig 1: Exploded View Of Identifying Transmitter
  Courtesy of AMERICAN HONDA MOTOR CO., INC.
Replace the transmitter battery (A) with a new one, and try to lock and unlock the doors with the transmitter by pressing the lock or unlock button five or six times.
- If the doors lock and unlock, the transmitter is OK.
- If the doors don't lock and unlock, go to step 5.
  
  Fig 2: Identifying Transmitter Battery
  Courtesy of AMERICAN HONDA MOTOR CO., INC.
Reprogram and register the transmitter (see REGISTRATION FOR IMMOBILIZER SYSTEM ), then try to lock and unlock the doors.
- If the doors lock and unlock, the transmitter is OK.
- If the doors don't lock and unlock, substitute a known-good transmitter and recheck (see REGISTRATION FOR IMMOBILIZER SYSTEM ). If still not operating, replace the immobihzer-keyless control unit.