Without HDS

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 2.
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 3.
  
  Fig 1: Removing 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 4.
  
  Fig 2: Identifying Transmitter Battery
  Courtesy of AMERICAN HONDA MOTOR CO., INC.
Reprogram the transmitter (see KEYLESS TRANSMITTER PROGRAMMING/DELETING-MANUAL METHOD ), 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, try and program to another vehicle.
  - If the transmitter programs to another vehicle, go to B-CAN System Diagnosis Test Mode A (see TROUBLESHOOTING - B-CAN SYSTEM DIAGNOSIS TEST MODE A ). If no trouble is found, go to keyless receiver unit input test (see KEYLESS RECEIVER UNIT INPUT TEST ).
  - If the transmitter will not program to another vehicle, replace the transmitter.