Left-hand drive vehicles
– Lay the retrofit wiring harness on the standard wiring har-
ness along the right sill and glove compartment to the data
bus diagnostic interface
-J533- -A-.
Right-hand drive vehicles
– Lay the retrofit wiring harness on the standard wiring har-
ness along the rear bench seat and centre console to the
data bus diagnostic interface -J533- -A-.
All vehicles
– Disconnect the connector -A2-.
– Open the plug.
– Unpin the orange/brown wire (slot 6) and pin into slot 2 with
the connector provided 4B0.972.623.
– Pin the orange/brown wire of the retrofit wiring harness into
the vacated slot.
– Unpin the orange/black wire (slot 16) and pin into slot 1 with
the connector provided 4B0.972.623.
– Pin the orange/black wire of the retrofit wiring harness into
the vacated slot.
– Connect the two free connectors, making sure they engage.
– Secure the retrofit wiring harness to protect against noise
and abrasion.
Note
◆ The assembly should be carried out after the assembled ex-
haust system is “sound-tested”.
◆ The control unit must not be coded.
Installation instructions - Audi A4/A5 (B8 series) 2008 ▶
Edition 1
1/2012
3 Sequence of operations
7
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