Use the correct tire chain size when mounting the tire chains.
Chain size is regulated for each tire size.

Winter driving tips
Regulations on the use of tire chainsLow Power Supply Voltage (C1241/94)
DESCRIPTION
If a malfunction in the power source circuit occurs, or a malfunction in communication
with the skid control ECU or in a speed sensor occurs, the AWD control ECU will
prohibit operations by the fail-safe function.
DTC No.
...
Removal
REMOVAL
PROCEDURE
1. REMOVE FRONT WIPER ARM HEAD CAP
(a) Using a screwdriver, remove the 2 front wiper arm head caps as shown
in the illustration.
Text in Illustration
*1
Protective Tape
...
Data List / Active Test
DATA LIST / ACTIVE TEST
1. DATA LIST
HINT:
Using the Techstream to read the Data List allows the values or states of switches,
sensors, actuators and other items to be read without removing any parts. This non-intrusive
inspection can be very useful bec ...