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 chainsRemoval
REMOVAL
CAUTION / NOTICE / HINT
HINT:
Use the same procedure for the RH side and LH side.
The procedure listed below is for the LH side.
PROCEDURE
1. PRECAUTION
CAUTION:
Be sure to read Precaution thoroughly before servicing (See page
...
Terminals Of Ecu
TERMINALS OF ECU
1. CHECK MAIN BODY ECU (DRIVER SIDE JUNCTION BLOCK ASSEMBLY)
(a) Disconnect the 2A, 2C and 2F main body ECU (driver side junction block assembly)
connectors.
(b) Measure the voltage and resistance according to the value(s) in the table ...
SFR Solenoid Circuit (C0226/21,C0236/22,C0246/23,C0256/24,C1225/25-C1228/28)
DESCRIPTION
These solenoids turn on when signals are received from the skid control ECU and
they control the pressure acting on the wheel cylinders to control the braking force.
DTC Code
DTC Detection Condition
Trouble Area ...