Audi Workshop Service and Repair Manuals > A4 Mk1 > Vehicle electrics | Electrical system | Wiring | Repairing wiring and plug connectors

Notes for repairs on CAN bus wires

t	Use an unscreened two-wire line -1- and -2- (cross-section 0.35 mm² or 0.5 mm²) as CAN bus wire.

t	The CAN bus wires are colour-coded as follows:

t	Only use yellow wires for repairs to wiring. Mark location of repair with yellow insulating tape.

t	Both bus wires must be of the same length when repairing. When twisting the wires -1- and -2-, length of twist -A- = 20 mm must be attained.

t	When making repairs, there must be no untwisted section of wire which is longer than -B- = 50 mm, e.g. in the vicinity of heat-shrink sleeves -arrow-.

Audi Workshop Service and Repair Manuals