LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Acura >> 2006 >> MDX Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 130 (Keyless/Power Door Locks/Security System) >> Transmitter Test/Replacement >> With HDS
April 5, 2026: LEMON Manuals is launched! Read the announcement.

With 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. Press the lock or unlock button five or six times to reset the transmitter.
    • If the locks work, the transmitter is OK.
    • If any of the transmitter buttons does not work, replace the transmitter, then register the transmitter (see IMMOBILIZER KEY REGISTRATION ).
    • If the locks don't work, go to step 2.
  2. Connect the HDS to the data link connector.
  3. Select KEYLESS from the BODY ELECTRICAL menu, then enter the KEYLESS CHECK.
  4. Press lock, unlock, trunk, or panic button and check the response on the screen of the HDS.
    NOTE: The door lock actuators may or may not cycle when receiving input from the transmitter.
    • If KEYLESS ENTRY TRANSMITTER CODE IS RECEIVED is indicated, the transmitter is OK.
    • If DIFFERENT KEYLESS ENTRY TRANSMITTER CODE IS RECEIVED is indicated, the transmitter is not registered to the vehicle, if necessary, manually reprogram the transmitter (see IMMOBILIZER KEY REGISTRATION ).
    • If KEYLESS ENTRY TRANSMITTER CODE IS NOT RECEIVED is indicated, 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, then manually reprogram the transmitter (see IMMOBILIZER KEY REGISTRATION ).
    • If there is no water damage, go to step 6.
      Fig 1: Identifying Transmitter Cover And Transmitter
      G05487905Courtesy of AMERICAN HONDA MOTOR CO., INC.
  6. Replace the transmitter battery (A) with a new one, and press lock or unlock button and check the receive condition on the screen of the HDS.
    • If KEYLESS ENTRY TRANSMITTER CODE IS RECEIVED is indicated, the transmitter is OK.
    • If KEYLESS ENTRY TRANSMITTER CODE IS NOT RECEIVED is indicated, go to step 7.
      Fig 2: Identifying Transmitter Battery
      G05487906Courtesy of AMERICAN HONDA MOTOR CO., INC.
  7. Use a different known-good keyless transmitter assembly and repeat steps  3 and  4.
    NOTE: The keyless transmitter does not need to be programmed to the vehicle for this test.
    • If DIFFERENT KEYLESS ENTRY TRANSMITTER CODE IS RECEIVED is indicated, replace the keyless transmitter and manually reprogram the transmitter (see IMMOBILIZER KEY REGISTRATION ).
    • If KEYLESS ENTRY TRANSMITTER CODE IS NOT RECEIVED is indicated, the immobilizer-keyless control unit is faulty, replace it and do the immobilizer system registration (see IMMOBILIZER KEY REGISTRATION ).
scientia non olet · About LEMON Manuals