Toyota Corolla (E120): Transmitter battery

Replacement

1. Replace transmitter battery

Notice:

special caution should be taken for handling each component as they are precision electronic components.

  1. Using a screwdriver, pry out the transmitter case.

Notice

: do not forcibly pry out the case.

Hint

: tape the screwdriver tip before use.

  1. Remove the battery (lithium battery).

Notice

:

  • do not push the terminals with your finger.
  • Prying up the battery (lithium battery) to forcibly remove it will cause deformation of the terminals.
  • Do not touch the battery with wet hands. Water may cause unexpected rust.
  • Do not touch or move any components inside the transmitter as it may interfere with proper operation.

2. Install transmitter battery

  1.  install a new battery (lithium battery) with the positive (+) side up, as shown in the illustration.

Notice

:

  • be sure that the positive side and the negative side of the transmitter battery are matched–up correctly.
  • Be careful not to bend the electrode of the transmitter battery insertion.
  • Be careful that dust or oil does not adhere to the transmitter case.
  1.  install the case securely.
    Share this page:

    Other materials:

    If the electronic key does not operate properly (vehicles with a smart key system)
    If communication between the electronic key and vehicle is interrupted or the electronic key cannot be used because the battery is depleted, the smart key system and wireless remote control cannot be used. In such cases, the doors can be opened and the engine can be started by following the procedur ...

    Overhaul
    1. Drain brake fluid Notice: wash the brake fluid off immediately if it comes into contact with any painted surface. 2. Remove air cleaner cap sub–assy 3. Remove brake master cylinder sub–assy  disconnect the brake fluid level switch connector from master cylinder reservoir subâ ...

    Problem symptoms table
    Proceed to the reference page shown in the table below for each malfunction symptom and troubleshoot each circuit. Hint: troubleshooting of the tvip system is based on the premise that the door lock control system and wireless door lock control system is operating normally. Accordingly, be ...