Keyless Entry Transmitter Battery: Service and Repair

2011 Toyota Landcruiser V8-5.7L (3UR-FE)SECTION Service and Repair




DOOR LOCK: TRANSMITTER BATTERY: REPLACEMENT

1. REMOVE TRANSMITTER BATTERY

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

(a) Push the release hook knob and extract the emergency key.





(b) Insert a precision screwdriver into the gap, and turn the screwdriver to detach the transmitter housing cover.





HINT
Tape the screwdriver tip before use.

(c) Remove the battery (lithium battery: CR1632).





NOTICE:
* Do not push the terminals with your finger.
* Do not forcibly pry up the battery. The terminals may be damaged.
* Do not touch the battery with wet hands. Water may cause rust.
* Do not touch or move any components inside the transmitter. It may interfere with proper operation.

2. INSTALL TRANSMITTER BATTERY

(a) Install a new battery (lithium battery: CR1632) with the positive (+) side facing upward, as shown in the illustration.





NOTICE:
* Do not bend the transmitter battery electrode during insertion.
* Keep the transmitter cover interior free of dust and oil.

(b) Install the transmitter housing cover by pressing down on it as shown in the illustration.





(c) Insert the mechanical key into the transmitter.





(d) Press one of the transmitter switches and check that the LED illuminates.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.