A8 Quattro Sedan V8-4.2L (BVJ) (2008)
Wiring Harness: Service and Repair
Wiring Harness in Transmission
Removing
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Remove Mechatronic unit => [ Mechatronic ] See: Valve Body/Service and Repair.
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Touch some grounded object (e.g. car, lifting platform) with your bare hand to discharge yourself of static electricity.
CAUTION!
‹› Always discharge static by touching a grounded object, e.g. vehicle ground, before touching or removing the Mechatronic unit.
‹› Never touch contacts in 16-pin connector, as the static charge could destroy the control module and thus the Mechatronic unit.
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Carefully pry the wiring harness - A - from the Mechatronic unit - B -. At the same time, detach tab - arrow - on backside of wiring harness from
Mechatronics unit.
‹› If the tab - arrow - on the backside of the wiring harness breaks off, the wiring harness must be replaced => [ Wiring Harness in Transmission ]
See: .
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Carefully disconnect connector - C - from the socket - D - of the Mechatronic unit.
Installing
Install in reverse sequence; note the following points:
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Carefully connect connector - C - into the socket - D - of the Mechatronics unit.
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Clip wiring harness - A - onto Mechatronics unit - B -. At the same time, insert the tab - arrow - on backside of wiring harness into the
Mechatronics unit.
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Install Mechatronics unit => [ Mechatronic ] See: Valve Body/Service and Repair.
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Fill with ATF => [ ATF, Draining or Filling after Repair ] See: Fluid - A/T/Service and Repair/ATF, Draining or Filling After Repair.