Removing and installing earth cable with battery monitor control unit J367 of battery A - vehicles with high-voltage system — AUDI

Removing and installing earth cable with
battery monitor control unit
J367
of
battery
A
- vehicles with high-voltage system
Removing
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.
Remove luggage compartment floor
General body repairs, interior
Rep. gr.
70
Luggage compartment trim panels; Removing and installing luggage compartment floor
.
Remove supply air duct for drive battery
Electrical system
Rep. gr.
93
High-voltage battery unit; Removing and installing high-voltage battery
.
WARNING
Switch off ignition.
The
second battery
A1
is STILL connected to the vehicle's electrical system when the ignition is switched ON.
Open cover
1
over negative battery terminal.
Slacken off nut several turns and disconnect battery clamp
2
of earth cable from battery terminal.
Unplug electrical connector
3
.
Remove nut
6
and detach earth cable
5
with
battery monitor control unit
J367
item 4
.
Note
Fitting location is shown with battery cooling module removed for illustration purposes.
Installing
Tightening torque
Chapter
“
Exploded view - battery, vehicles with high-voltage system
”
Installation is carried out in the reverse order; note the following:
Install supply air duct for drive battery
Electrical system
Rep. gr.
93
High-voltage battery unit; Removing and installing high-voltage battery
.