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Wireless Door Lock Control System: Replacement

  1. Replace transmitter (lithium) battery  :
      CAUTION: Do not pry out the cover forcibly.
      Fig 1: Removing Transmitter Cover
      G01908997Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Using a screwdriver, remove the cover.
    2. Remove the battery (lithium battery) as shown in the illustration.
      NOTE:
      • Do not push the terminals with a finger.
      • If prying up the battery (lithium battery) forcibly to remove, the terminals are deformed.
      3. NOTE: Face the battery upward. Take care not to deform the terminals.
      Fig 2: Identifying Lithium Battery
      G01908998Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Install a battery (lithium battery).
    4. Install the cover.
      NOTE: It might cause faulty contact of battery (lithium battery) and terminals.
    2. NOTE: When replacing the back door ECU and transmitter, registration of recognition code is necessary because they are provided as a single components.

  2. Replace back door ECU and transmitter

      NOTE:
      • The add mode is used to retain codes already registered while you register new recognition codes. This mode is used when adding a transmitter. However, if the number of registered codes exceeds 4 codes, previously registered codes are correspondingly erased in order, starting from the first registered code.
      • The rewrite mode is used to erase all previously registered codes and register only new recognition codes.
      • The prohibition mode is used to erase all registered codes and cancels the wireless door lock function. Use this mode when the transmitter is lost.
      • The confirmation mode is for confirming few many recognition codes are already registered before you register additional recognition codes.

    1. Select the operation mode to perform from the following operation modes.

      • Add mode
      • Rewrite mode
      • Prohibition mode
      • Confirmation mode
      2. NOTE:
      • When procedure is out of the specified, the operation returns to normal operation.
      • Maximum 4 recognition codes can be registered.
      Fig 3: Transmitter Code Registration Chart (1 Of 3)
      G01908999Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Fig 4: Transmitter Code Registration Chart (2 Of 3)
      G01909000Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Fig 5: Transmitter Code Registration Chart (3 Of 3)
      G01909001Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Follow the transmitter code registration charts to register the transmitter recognition code at the back door ECU.
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