A8 Quattro Sedan V8-4.2L (BVJ) (2008)
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identification using yellow adhesive tape, this procedure makes it possible to obtain a quick overview of previously performed repairs.
‹› Both wires to the airbag igniter have a twist with 20 ± 5 mm routing length. This routing length must be maintained when repairing the twisted
wires.
‹› When repairing, both wires to the airbag igniters must be the same length. When twisting the wires - 1 and 2 - together, the - A - = 20 mm routing
length must be maintained.
‹› While doing so, no section of wire must be greater than - B - = 100 mm without twisting of wires, e.g. in area of welded connectors - arrow -.
‹› Repairs are to be documented in the Audi Service Plan under " Space for workshop entries" with a short commentary of scope of repairs,
workshop stamp and signature.
‹› Any warranty claims to Audi AG are voided if airbag wiring harness repairs were not performed using original replacement parts and the Wiring
Harness Repair Kit (VAS 1978) or Wiring Harness Repair Set (VAS 1978A).
CAN-Bus Wiring, Repairing
‹› Observe general notes for repairs on the vehicle electrical system => [ Vehicle Electrical System, General Information ].
‹› Observe the notes on wiring harness and connector repairs => [ Wiring Harness and Connector Repairs, General Information ] including
identifying repair locations.
An unshielded two-strand wire - 1 and 2 - with a cross section of 0.35 mm2 or 0.5 mm2 can be used as CAN-Bus wiring.
‹› CAN bus wires have the following color coding:
