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:
Standard bolt
How to determine bolt strength
Specified torque for standard bolts
How to determine nut strength
*: Nut with 1 or more marks on one side surface of the nut.
Hint:
use the nut with the same number of the nut strength classification or the
greater than the bolt strength classificati ...
Foamed material application areas
If an increase in temperature or other condition damages the foamed material
when repairing or replacing the panel,
fill in the insufficient areas with urethane foam. The following illustration
shows the areas for one side, but the
foamed material must be applied equally to both the left and r ...
Circuit description
Refer to dtc p0130
Hint:
the ecm provides a pulse width modulated control circuit to adjust current
through the heater. The heated
oxygen sensor heater circuit uses a relay on the b+ side of the circuit.
Monitor description
The ecm uses the heated oxygen sensor information to regulate t ...


