Removing and installing high-voltage wiring harness for high-voltage battery PX1 — VW

Removing and installing
high-voltage wiring harness for high-voltage battery
PX1
Special tools and workshop equipment required
Torque wrench
V.A.G 1331
Removing
DANGER
Risk of death due to high voltage.
Electrical shocks will cause serious injuries or death.
Have a qualified technician de-energise the high-voltage system.
De-energise high-voltage system
Chapter
.
Select Park position for gearbox.
Reconnect
battery
A
Electrical system
Rep. gr.
27
Disconnecting and reconnecting battery
.
Note
The high-voltage cables are secured with cable retainers. The cable retainers must be detached before disconnecting connectors in order to allow for pulling off the connectors.
Unscrew bolts
2
from cover
1
.
Pull out securing element
3
on connector of high-voltage cable
2
for
charging unit 1 for high-voltage battery
AX4
in
direction of arrow A
.
Press locking mechanism
4
.
Pull connector of high-voltage cable
2
for
charging unit 1 for high-voltage battery
AX4
off
power and control electronics for electric drive
JX1
1
.
Remove cover
1
.
Press catches
3
in direction of arrows
A
,
B
and
C
, respectively.
Unclip catches
2
upwards.
Remove safety cover
1
.
Remove bolts
2
.
Remove bolts
1
.
Pull out
high-voltage wiring harness for high-voltage battery
PX1
4
.
Fit cover on
power and control electronics for electric drive
JX1
.
Remove underbody cover
General body repairs, exterior
Rep. gr.
66
Underbody cover; Removing and installing underbody covers
.
Disconnect connector
3
on
high-voltage battery 1
AX2
. To do this, release catch
1
in
direction of arrow A
.
Swing locking bar
2
in
direction of arrow B
.
Pull connector
3
off.
Detach
high-voltage wiring harness for high-voltage battery
PX1
from retainers.
Installing
Installation is carried out in the reverse sequence. Observe the following when doing this:
WARNING
Risk of death due to high voltage.
Electrical shocks will cause serious injuries or death.
Have a qualified technician commission the high-voltage system.
Commission high-voltage system
Chapter
.
Specified torques
Chapter
“
Assembly overview - power and control electronics for electric drive
”