Wireless Door Lock Control System: Replacement

REPLACE TRANSMITTER (LITHIUM) BATTERY
NOTE: Special caution should be taken for handling each component as they are precision electronic components.
1. Using a screwdriver, remove the cover.
  NOTE: Do not pry out the cover forcibly.
  
  HINT:
  
  Push the cover with fingers as shown in the illustration, to make a chink, and then pry out the cover from that chink using a screwdriver.
2. Remove the transmitter.
  
  Fig 1: Removing Cover Using Screwdriver
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Remove the battery (lithium battery).
  NOTE:
  - Do not push the terminals with fingers.
  - If prying up the battery (lithium battery) forcibly to remove, the terminals are deformed.
4. Install a battery (lithium battery) as shown in the illustration.
  NOTE: Face the battery upward. Take care not to deform the terminals.
5. Assemble the transmitter to the key plate and the cover.
Fig 2: Installing Battery (Lithium Battery)
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REPLACE DOOR CONTROL RECEIVER AND TRANSMITTER
NOTE: When replacing the door control receiver and the transmitter, registration of the recognition code is necessary because they are provided as a single components.
1. Select which operation mode should be performed from the following modes.
  - Add mode
  - Rewrite mode
  - Prohibition mode
  - Confirmation mode
  HINT:
  - 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 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 how many recognition codes are already registered before you register additional recognition codes.
2. Follow the table on the following pages to register the transmitter recognition code at the wireless door lock control receiver.
HINT:
- When procedure is out of the specified, the operation returns to normal operation.
- Maximum of 4 recognition codes can be registered.

Fig 3: Wireless Door Lock Control System (1 Of 3)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 4: Wireless Door Lock Control System (2 Of 3)

Fig 5: Wireless Door Lock Control System (3 Of 3)