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– Remove wiring guide -2- (1.5 Nm) and cut though cable ties
-arrows-.
– Unclip leadthrough -3- and guide downwards through body
floor.
– Guide high-voltage wiring harness for hybrid battery - PX1-
-1- through opening in body floor and take out of vehicle
downwards.
Installing
Installation is carried out in reverse sequence; note the following:
WARNING
Pay very careful attention to the coding of the high-voltage
wires. Mistakes lead to short circuits and irreparable damage
to high-voltage components.
Note
♦
All cable ties which have been released or cut through during
removal must be re-attached in the same position on installa‐
tion.
♦
Tighten all screw connections to the tightening torques speci‐
fied.
♦
When installing leadthrough in luggage compartment floor,
make sure that it engages and seals securely.
WARNING
Working on vehicles with high-voltage wiring:
• Do not support yourself or tools on high-voltage wiring or
associated components --> this can damage the insula‐
tion.
• High-voltage wiring must not be excessively bent or
kinked --> this can damage the insulation.
• The round high-voltage connectors are colour-coded with
an external coloured ring and are provided with mechan‐
ical coding or guide lugs. It is important to observe this
coding when joining up the round high-voltage connec‐
tors, otherwise the connectors can be damaged.
♦ Coding of high-voltage connectors on hybrid battery unit -
AX1- ⇒ page 37
♦ Coding of high-voltage connectors on power and control elec‐
tronics for electric drive - JX1- ⇒ page 38
– Re-energise high-voltage system.
The high-voltage system must be re-energised according to the
“Guided Fault Finding” routine in the ⇒ Vehicle diagnostic tester,
and ONLY by this method.
Audi A6 2011 ➤ , Audi A6 Avant 2011 ➤
Electrical system, hybrid - Edition 03.2014
42 Rep. gr.93 - Electric drive systems
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