Removing and installing fuse holder A SA in luggage compartment - vehicles with high-voltage system — AUDI

Removing and installing
fuse holder A
SA
in luggage compartment - vehicles with high-voltage system
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 engine compartment, visually inspect
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
Disconnect earth cable from battery with ignition switched off
Chapter
.
Move battery cooling module to service position
Heating, air conditioning
Rep. gr.
87
Battery cooling module
.
Loosen nut
1
several turns and disconnect battery clamp of positive cable together with
fuse holder A
SA
from battery terminal.
Release retaining clip
3
and open cover
2
of
fuse holder A
SA
arrow
.
Disconnect electrical wiring
1, 2, 4
.
Remove
fuse holder A
SA
item 3
.
Remove
battery isolation igniter
N253
item 5
General body repairs, interior
Rep. gr.
69
Battery isolation igniter; Removing and installing battery isolation igniter
.
Note
Exact assignment of contacts in
fuse holder A
SA
can be found in applicable current flow diagram
Current flow diagrams, Electrical fault finding and Fitting locations
.
Installing
Tightening torque
Fig.
“
Fuse holder A
SA
on vehicles with high-voltage system - tightening torque”
Installation is carried out in the reverse order; note the following:
Install
battery isolation igniter
N253
General body repairs, interior
Rep. gr.
69
Battery isolation igniter; Removing and installing battery isolation igniter
.
Connect battery. Steps required
Anchor
.