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Home >> Acura >> 2009 >> RDX >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Keyless/Power Door Locks/Security System >> Keyless Transmitter Test >> Without HDS
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Without HDS

  1. Start the engine.
    • If the engine does not start, go to the immobilizer system symptom 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: Exploded View Of Transmitter
    G05447607Courtesy 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
    G05447608Courtesy of AMERICAN HONDA MOTOR CO., INC.
  5. Reprogram and register 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, substitute a known-good transmitter and recheck (see IMMOBILIZER KEY REGISTRATION ). If still not operating, replace the immobilizer-keyless control unit.