Toyota Corolla (E120) 2002–2008 Repair Manual / Theft deterrent & door lock / Transmitter battery
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.

- Using a screwdriver, pry out the transmitter case.
Notice
: do not forcibly pry out the case.
Hint
: tape the screwdriver tip before use.

- 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
- 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.
- install the case securely.
Other materials:
Inspection procedure
1 Inspect transmission wire(slt)
Disconnect the transmission wire connector from the
transaxle.
measure the resistance according to the value(s) in the
table below.
Standard:
Measure the resistance according to the value(s) in the
table below.
Standard (check for short):
...
Key information
Keys
The following keys are provided with the vehicle.
► Vehicles without a smart key system
(type A)
1 Keys
2 Key number plate
► Vehicles without a smart key system (type
B)
1 Keys
Operating the wireless remote control function
2 Key number plate
► Vehicles ...
Hydraulic test
1. Perform hydraulic test
Measure the line pressure.
Notice:
Do the test at normal operation atf temperature 50 to 80 °c (122 to
176 °f).
The line pressure test should always be carried out in pairs. One
technician should observe
the conditions of wheels or wheel stopper outsi ...


