Replace the battery with a new one if it is depleted.
â– If the key battery is depleted
The following symptoms may occur:
Items to prepare
Prepare the following before replacing the battery:
â– Use a CR2032 lithium battery
Replacing the battery
Vehicles without smart key system
1. Remove the cover.
Use a screwdriver of an appropriate size. Forcedly prying may cause the cover damaged.
To prevent damage to the key, cover the tip of the screwdriver with a rag.

2. Remove the battery cover.
If the battery cover is difficult to remove, lift the edge to remove it.

3. Remove the depleted battery.
When removing the battery, use a screwdriver of an appropriate size.
Insert a new battery with the "+" terminal facing up.

4. Install the battery cover with the tab facing up.
Push the entire edge of the battery cover into the key.

5. Install the key cover.
Align the key cover with the key and then press it straight into the key.
Make sure that the key cover is securely installed without any gaps between it and the key.

Vehicles with smart key system
1. Release the lock and remove the mechanical key.

2. Remove the key cover.
Use a screwdriver of an appropriate size. Forcedly prying may cause the cover damaged.
To prevent damage to the key, cover the tip of the flathead screwdriver with a rag.

3. Remove the depleted battery using a small flathead screwdriver.
When removing the cover, the electronic key module may stick to the cover and the battery may not be visible. In this case, remove the electronic key module in order to remove the battery.
When removing the battery, use a screwdriver of an appropriate size.
Insert a new battery with the "+" terminal facing up.

4. When installing, reverse the steps listed.
WARNING
â– Battery precautions
Observe the following precautions.
Failure to do so may result in death or serious injury.
Doing so may cause chemical burns.
â– To prevent battery explosion or leakage of flammable liquid or gas
NOTICE
â– For normal operation after replacing the battery
Observe the following precautions to prevent accidents:
Moisture may cause the battery to rust.
Wiper insert replacement
Checking and replacing fusesFor vehicles equipped with mobile communication systems
Install the antenna as far away from the ecu and
sensors of the vehicle electronic systems as
possible.
Install an antenna feeder at least 20 cm (7.87 In.)
Away from the ecu and sensors of the vehicle
electronic systems. For details about ecu and
sensor locations, refer to the sec ...
Air-fuel ratio (a/f) and heated oxygen (ho2) sensor
monitors (active air-fuel ratio control type)
Preconditions
The monitor will not run unless:
2 Minutes or more have elapsed since the engine
was started.
The engine coolant temperature (ect) is 75°c
(167°f) or more.
Cumulative driving time at a vehicle speed of 48
km/h (30 mph) or more exceeds 6 minutes.
Air-fuel rat ...
Check mode procedure
Description
Check mode has a higher sensitivity to malfunctions
and can detect malfunctions that normal mode
cannot detect. Check mode can also detect all the
malfunctions that normal mode can detect. In check
mode, dtcs are detected with 1 trip detection logic.
Check mode pro ...