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Home >> Acura >> 2007 >> CSX Base, K20A3 >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Anti-Theft Systems >> Keyless/Power Door Locks/Security System >> Transmitter Test/Replacement >> Without HDS
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Without HDS

  1. 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.
  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.
  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: Identifying Transmitter - Without HDS
      G06269292Courtesy of AMERICAN HONDA MOTOR CO., INC.
  4. 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
      G06269293Courtesy of AMERICAN HONDA MOTOR CO., INC.
  5. 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 and recheck (see IMMOBILIZER KEY REGISTRATION ). If still not operating, replace the immobilizer-keyless control unit.
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