Without HDS

WARNING: This page is about a different car, the 2008 Acura TL and 2007 Acura TL. However, it is still accessible from the selected car via links, so may be relevant.

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.