Removing and installing front air outlet duct for drive battery A2 — AUDI

Removing and installing front air outlet duct for
drive battery
A2
On vehicles with high-voltage system (hybrid vehicles)
For all work on vehicles with a high-voltage system, note the additional warning instructions for working on such vehicles
Chapter
and
Electrical system, hybrid
Rep. gr.
93
General warning instructions for work on the high-voltage system
.
For the following steps, work in the vicinity of high-voltage system components is necessary, perform
“Visual inspection of the high-voltage components and wiring to check for damage”
Chapter
and note
Electrical system, hybrid
Rep. gr.
93
General warning instructions for work on the high-voltage system
.
WARNING
Safety hazard: the engine can start unexpectedly.
Before carrying out general work on a vehicle with high-voltage electrical system, switch off the ignition and remove the ignition key from the vehicle.
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 insulation.
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 mechanical coding or guide lugs. It is important to observe this coding when joining up the round high-voltage connectors, otherwise the connectors can be damaged.
DANGER!
Risk of fatal injury if high-voltage components are damaged.
Observe the following when working in the vicinity of high-voltage components or wiring:
It is not permitted to use cutting or forming tools, other sharp-edged tools or heat sources such as welding, brazing, soldering, hot air or thermal bonding equipment.
Before starting work, visually inspect the high-voltage components in the areas involved.
Before working in the engine compartment, visually inspect the
power and control electronics for electric drive
JX1
,
electric drive motor
V141
,
air conditioner compressor
V470
and high-voltage wiring.
Before working on the vehicle underbody, visually inspect the high-voltage wiring and covers.
Before working on the rear section of the vehicle, visually inspect the high-voltage wiring and the electro-box with the
maintenance connector for high-voltage system
TW
.
Visually inspect all potential equalisation lines.
Check the following when making the visual inspection:
There must be no external damage on any component.
The insulation of the high-voltage wiring and potential equalisation lines must not be damaged.
There must be no unusual deformation of the high-voltage wiring.
All high-voltage components must be identified by a red warning sticker.
Removing
Switch off ignition.
Remove luggage compartment floor
General body repairs, interior
Rep. gr.
70
Luggage compartment trim panels; Exploded view - luggage compartment floor
.
Move electrical wiring harness
1
clear
arrows
.
If fitted, remove bolts
2, 4 and 6
.
Release retainer tabs
1
(left and right) and detach front air outlet duct
3
from battery cooling module.
Carefully unclip front air outlet duct
7
from fasteners
arrows
of air duct
5
and detach.
Take out front air outlet duct.
Installing
Install in reverse order of removal; note the following.
Note
If one of the retainer tabs
1 or 5
breaks off, the air duct
4
can also be secured with bolts
3
at the battery cooling module
2
and at the air duct
6
.
Press air duct onto battery cooling module and onto air duct at drive battery, making sure that retainer tabs engage audibly.
For electrical connections and routing, refer to
Current flow diagrams, Electrical fault finding and Fitting locations
.
Re-install all remaining components (removed earlier).
Switch on ignition.
Interrogate event memory of air conditioner operating unit (
Climatronic control unit
J255
) and erase any entries displayed
Vehicle diagnostic tester
in
“Guided Fault Finding”
mode.