Wireless Door Lock Control System: Replacement

REPLACE TRANSMITTER (LITHIUM) BATTERY 

Fig 1: Removing Screw & Cover Using Screw Driver

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Using a screwdriver, remove the screw and cover.
   NOTE: Do not pry out the cover forcibly.

   HINT:

   Push the cover with a finger as shown in the illustration, so that there becomes clearance, then pry out the cover from that clearance.

2. Remove the transmitter.
   Fig 2: Removing Lithium Battery & O-Ring

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Using a screwdriver, remove the 2 screws and cover.
4. Remove the battery (lithium battery).
   NOTE:

   • Do not push the terminals with a finger.
   • If prying up the battery (lithium battery) forcibly to remove, the terminals are deformed.
   Fig 3: Installing Lithium Battery

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
5. Install a battery (lithium battery) as shown in the illustration.
   NOTE: Face the battery upward. Take care not to deform the terminals.
6. Check that O-ring is not distorted or slipped off, and install the cover.
7. Using a screwdriver, tighten the 2 screws.
   NOTE: When the shrews are tightened loosely, it might cause faulty contact of battery (lithium battery) and terminals.
8. Assemble the transmitter to the key plate and the cover.
9. Using a screwdriver, tighten the screw.