Without HDS

WARNING: This page is about a different car, the 2011 Acura TL, 2010 Acura TL, and 2009 Acura TL. However, it is still accessible from the selected car via links, so may be relevant.

Open the remote, and check for water damage.
- If you find any water damage, replace the remote.
- If there is no water damage, go to step 2.
Replace the remote battery (A) with a new one (CR2032), and try to lock and unlock the doors with the remote by pressing the lock or unlock button at least 10 times.
- If the doors lock and unlock, the remote is OK.
- If the doors do not lock and unlock, go to step 3.
Fig 1: Identifying Transmitter Battery
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Reprogram the remote with the HDS, then try to lock and unlock the doors.
- If the doors lock and unlock, the remote is OK.
- If the doors do not lock and unlock, try and program to another vehicle.
  - If the remote programs to another vehicle, go to B-CAN System Diagnosis Test Mode A. (See TROUBLESHOOTING - B-CAN SYSTEM DIAGNOSIS TEST MODE A )
  - If the remote will not program to another vehicle, replace it.

Start the engine
- If the engine does not start, go to the immobilizer system troubleshooting (see SYMPTOM TROUBLESHOOTING )
- If the engine starts, go to step 2
Press the transmitter lock or unlock button at least 10 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 and register the new transmitter (see IMMOBILIZER KEY REGISTRATION )
- If there is no water damage, go to step 4
Fig 1: Identifying Transmitter
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Replace the transmitter battery (A) with a new one (CR1616), 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 IMMOBILIZER KEY REGISTRATION ), 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, register it and recheck (see IMMOBILIZER KEY REGISTRATION ). If still not operating, replace the immobilizer-keyless control unit