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♦ Self-diagnosis-compatible systems
♦ 51 - Electric drive control unit - J841
♦ 51 - Electric drive, functions
♦ 51 - Basic setting (Rep. gr. 93)
6.4 High-voltage wires
6.4.1 General description
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.
The following high-voltage wires connect the high-voltage com‐
ponents.
High-voltage wiring harness for hybrid battery - PX1- :
Routing from hybrid battery unit - AX1- to power and control elec‐
tronics for electric drive - JX1- .
Consists of two high-voltage wires:
♦ High-voltage wire for hybrid battery, positive terminal - P1-
♦ High-voltage wire for hybrid battery, negative terminal - P2-
Removing and installing high-voltage wiring harness for hybrid
battery - PX1- ⇒ page 38 .
High-voltage wiring harness for drive motor - PX2- :
Routed from power and control electronics for electric drive - JX1-
to electric drive motor - V141- .
Consists of three high-voltage wires:
♦ High-voltage wire 1 for drive motor - P4-
♦ High-voltage wire 2 for drive motor - P5-
♦ High-voltage wire 3 for drive motor - P6-
Removing and installing high-voltage wiring harness for drive mo‐
tor - PX2- ⇒ page 43 .
High-voltage wire for electrical air conditioner compressor - P3- :
Routed from power and control electronics for electric drive - JX1-
to electrical air conditioner compressor - V470- .
Removing and installing high-voltage wire for electrical air condi‐
tioner compressor - P3- ⇒ page 49 .
Audi A6 2011 ➤ , Audi A6 Avant 2011 ➤
Electrical system, hybrid - Edition 03.2014
6. Components specific to high-voltage system 35
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