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6.2 Hybrid battery unit - AX1-
6.2.1 General description
The hybrid battery unit - AX1- -1- provides the electric drive motor
- V141- with the necessary high voltage to enable the vehicle to
be driven with electric power only.
The hybrid battery unit - AX1- consists of the hybrid battery - A38-
with 72 lithium-ion cells, the battery regulation control unit - J840- ,
the maintenance connector for high-voltage system - TW- and
pilot line connector 1 - TV44- . The hybrid battery unit - AX1- has
a total voltage of 266 V. To protect the hybrid battery unit - AX1- ,
particularly in a rear crash, it is surrounded by a frame consisting
of welded and bolted aluminium profiles. This frame directs im‐
pact energy into the vehicle structure.
The cooling module for the hybrid battery unit - AX1- can be re‐
moved and renewed; there is no provision for opening and dis‐
mantling the hybrid battery unit - AX1- itself.
Potential equalisation line on hybrid battery unit - AX1-
⇒ page 11
6.2.2 Exploded view - hybrid battery unit - AX1-
1 - Bolt
❑ 10 Nm
2 - Bolt
❑ 20 Nm
3 - Bolt
❑ 10 Nm
4 - Bolt
❑ 10 Nm
5 - Bracket for fastening ring
6 - Cover
7 - Bolt
❑ 10 Nm
8 - Air duct (right-side)
9 - Bolt
❑ 2 Nm
10 - Bolt
❑ 46 Nm
11 - Bracket
12 - Air duct (left-side)
13 - Bolt
❑ 20 Nm
14 - Hybrid battery unit - AX1-
❑ Removing and installing
⇒ page 19
Audi A6 2011 ➤ , Audi A6 Avant 2011 ➤
Electrical system, hybrid - Edition 03.2014
18 Rep. gr.93 - Electric drive systems
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