LAN System

WARNING: This page is about a different car, the 2013 Subaru Forester. However, it is still accessible from the selected car via links, so may be relevant.

Bus line of LAN system is twisted pair line. Be careful not to bypass or partly unbind the twisted pair line.
Do not make clearance between bus lines (CAN High, CAN Low).
Difference of bus line length should be within 10 cm (3.94 in).
Fray near the connector should be within 8 cm (3.14 in).

Fig 1: Caution For Bypass Wire Connection
Courtesy of SUBARU OF AMERICA, INC.
If the characteristics of the twisted pair line are changed, it may extremely weaken against noise.
When repairing the harness, connect the wires using soldering and protect it with insulating tape etc.

Fig 2: Identifying Proper Soldered And Protected With Insulating Tape Repaired Harness
Courtesy of SUBARU OF AMERICA, INC.