Replace the battery with a new one if it is discharged.
- You will need the following items:
• Flathead screwdriver (To prevent damage to the key, cover the tip of the screwdriver
with rag.)
• Small Phillips-head screwdriver
• Lithium battery
Vehicles with smart key system: CR1632 Vehicles without smart key system: CR2025
- Replacing the battery (vehicles with smart key system)

Take out the mechanical key.

Remove the cover.

Remove the depleted battery.
Insert a new battery with the “+” terminal facing up.
- Replacing the battery (vehicles without smart key system)

Remove the cover.

Remove the module.

Open the case cover using a flathead screwdriver protected with tape etc. and remove the depleted battery.
Insert a new battery with the “+” terminal facing up.
- If the electronic key battery is discharged
The following symptoms may occur.
• The smart key system and wireless remote control will not function properly.
• The operational range is reduced.
- Use a CR1632 (vehicles with smart key system), or CR2025 (vehicles without smart key system) lithium battery
• Batteries can be purchased at your Toyota dealer, jewelers, or camera stores.
• Replace only with the same or equivalent type recommended by a Toyota dealer.
• Dispose of used batteries according to the local laws.
CAUTION
- Removed battery and other parts
These parts are small and if swallowed by a child they can cause choking.
Keep away from children. Failure to do so could result in death or serious injury.
NOTICE
- For normal operation after replacing the battery
Observe the following precautions to prevent accidents.
• Always work with dry hands.
Moisture may cause the battery to rust.
• Do not touch or move any other components inside the electronic key.
• Do not bend the battery terminals.
Air conditioning filter
Checking and replacing fusesRegistration
REGISTRATION
PROCEDURE
1. DESCRIPTION OF CODE REGISTRATION
It is necessary to register the transmitter IDs in the tire pressure warning
ECU when replacing a tire pressure warning valve and transmitter and/or a tire pressure
warning ECU.
Prepare all tra ...
Malfunction in Deceleration Sensor (C0365/28,C1234/34,C1245/32,C1245/45)
DESCRIPTION
The skid control ECU receives signals from the yaw rate and acceleration sensor
via the CAN communication system.
The yaw rate sensor has a built-in acceleration sensor.
If there is trouble in the bus lines between the yaw rate and acceleratio ...
IG Power Source Circuit
DESCRIPTION
The main power source is supplied to the A/C amplifier when the ignition switch
is ON.
The power source is used for operating the A/C amplifier and servo motor, etc.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses for cir ...