Replace the battery with a new one if it is depleted.
You will need the following items:
Replacing the battery
Vehicles without a smart key system

To prevent damage to the key, cover the tip of the screwdriver with a rag.

And remove the depleted battery.
Insert a new battery with the “+” terminal facing up.

Vehicles with a smart key system

To prevent damage to the key, cover the tip of the screwdriver with a rag.

Insert a new battery with the “+” terminal facing up.

Use a cr2016 (vehicles without a smart key system), or cr2032 (vehicles with a smart key system) lithium battery
If the key battery is depleted
The following symptoms may occur:
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:
Moisture may cause the battery to rust.
Air conditioning filter
Checking and replacing
fusesData list / active test
Read data list
Hint:
Using the intelligent tester's data list allows switch,
sensor, actuator and other item values to be read without
removing any parts. Reading the data list early in
troubleshooting in one way to save time.
Connect the intelligent tester (with can vim) to the
dlc3 ...
Differential case
Components
Disassembly
Remove front differential ring gear
Place the matchmarks on the ring gear and
differential case.
Remove the 14 bolts.
Using a plastic-faced hammer, tap on the ring gear
to remove it from the case.
Remove front differential case ...
Terminals of ecm
Check ecm
Disconnect the a9 and b30 connectors.
Measure the voltage and resistance of the wire
harness side connectors.
If the result is not as specified, there may be a
malfunction on the wire harness side. ...