Wireless Door Lock Control System - Diagnostics: Replacement

NOTE: Take extra care when handling these precision electronic components.

REPLACE TRANSMITTER SUB-ASSY MODULE SET DOOR CONTROL
HINT:

The installation procedure is the removal procedure in reverse order.
1. Remove the screw.
2. Push the cover with your finger as shown in Fig 1 so that a gap appears. Then, pry out the cover using the gap.
  NOTE: Do not forcibly pry up the cover.
  
  Fig 1: Removing Screw
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REPLACE TRANSMITTER BATTERY
HINT:

The installation procedures are the removal procedures in reverse order. However, only installation procedures requiring additional information are included.
1. Remove the 2 screws and cover.
2. Remove the transmitter battery (lithium battery).
  NOTE:
  - Do not push the terminals with your finger.
  - Do not forcibly pry up the battery (lithium battery). The terminals may become damaged.
    
    Fig 2: Removing Screws & Cover
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  - Do not touch the battery with wet hands. Water may cause rust.
  - Do not touch or move any components inside the transmitter, as it may cease to work.
3. Install a new battery (lithium battery) with the positive (+) side up, as shown in Fig 3.
  NOTE:
  - Be sure that the positive side and the negative side of the transmitter battery are matched up correctly.
  - Be careful not to bend the transmitter battery electrode during insertion.
  - Keep the interior of the transmitter case free of dust and oil.
    
    Fig 3: Installing New Battery (Lithium Battery) With Positive (+) Side Up
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002