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permitted unless authorised by AUDI AG. AUDI AG does not guarantee or accept any liability
with respect to the correctness of information in this document. Copyright by AUDI AG.
6 - Cooling module for hybrid battery unit - AX1-
❑ ⇒ Heating, air conditioning; Rep. gr. 87
7 - Wiring junction - TV1- for high-voltage system
❑ ⇒ Current flow diagrams, Electrical fault finding and Fitting locations
8 - Air supply duct for cooling hybrid battery unit - AX1-
❑ Removing and installing ⇒ Heating, air conditioning; Rep. gr. 87
9 - High-voltage wiring harness for hybrid battery - PX1-
❑ High-voltage wire for hybrid battery, positive terminal - P1- red coloured ring
❑ High-voltage wire for hybrid battery, negative terminal - P2- brown coloured ring
❑ Coding of high-voltage connections on hybrid battery unit - AX1- ⇒ page 37
❑ Coding of high-voltage connections on power and control electronics for electric drive - JX1-
⇒ page 38
❑ Removing and installing ⇒ page 38
10 - High-voltage wiring harness for drive motor - PX2-
❑ High-voltage wire 1 for drive motor - P4- (U) blue coloured ring/coding lug on right side
❑ High-voltage wire 2 for drive motor - P5- (V) green coloured ring/coding lug on left side
❑ High-voltage wire 3 for drive motor - P6- (W) violet coloured ring/two coding lugs
❑ Coding of high-voltage connections on power and control electronics for electric drive - JX1-
⇒ page 38
❑ Coding of high-voltage connections on electric drive motor - V141- ⇒ page 38
❑ Removing and installing ⇒ page 43
11 - Electric drive motor - V141-
❑ Red warning label ⇒ page 8
❑ Coding of high-voltage connections ⇒ page 38
❑ Removing and installing ⇒ page 14
12 - Electrical air conditioner compressor - V470-
❑ Red warning label ⇒ page 8
❑ Coding of high-voltage connection: red coloured ring
❑ Notes ⇒ page 53
5.2 Maintenance connector for high-voltage
system - TW-
The maintenance connector for high-voltage system - TW- -1- is
an electrical bridge between the two battery banks of the hybrid
battery unit - AX1- .
When the maintenance connector for high-voltage system - TW-
is unplugged, the link between the battery banks is disconnected
and the remaining voltage in the high-voltage system dissipates.
The system is de-energised at this point.
The maintenance connector for high-voltage system - TW- is al‐
ways unplugged if the high-voltage system needs to be de-ener‐
gised ⇒ page 9 .
Audi A6 2011 ➤ , Audi A6 Avant 2011 ➤
Electrical system, hybrid - Edition 03.2014
5. General description of high-voltage technology 13
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