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Home >> Acura >> 2006 >> MDX Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 130 (Keyless/Power Door Locks/Security System) >> Transmitter Test/Replacement >> Without HDS
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Without HDS

WARNING: This page is about a different car, the 2009 Acura MDX, 2008 Acura MDX, and 2007 Acura MDX. However, it is still accessible from the selected car via links, so may be relevant.
  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. Manually program the transmitter (see IMMOBILIZER KEY REGISTRATION ). If the transmitter does not program, go to step 4.
  4. Manually program a known-good transmitter.
    • If you can program the transmitter, replace the original transmitter.
    • If you can not program the transmitter, replace the original transmitter, go to step 5.
  5. Remove the transmitter cover (A) from the transmitter (B), and check for water damage.
    • If you find any water damage, replace the transmitter.
    • If there is no water damage, go to step 6.
      Fig 1: Identifying Transmitter Cover And Transmitter
      G05487907Courtesy of AMERICAN HONDA MOTOR CO., INC.
  6. 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, the HDS will be required for further diagnosis.
      Fig 2: Identifying Transmitter Battery
      G05487908Courtesy of AMERICAN HONDA MOTOR CO., INC.
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