Removing and installing convenience system central control unit J393 — VW

Removing and installing
convenience system central control unit
J393
Special tools and workshop equipment required
Torque wrench
V.A.G 1410
Depending on equipment, the following control units are integrated into the
convenience system central control unit
J393
:
Immobiliser control unit
J362
or
entry and start authorisation control unit
J518
Additional information:
Self-study programme
No.
488
The Passat 2011
Current flow diagrams, Electrical fault finding and Fitting locations
Operating manual
General description:
The
convenience system central control unit
J393
is, depending on equipment, responsible for the following in the vehicle:
Control of the central locking system
Activation of the rear door control unit
Activation of the rear lid unlocking function
Activation of the fuel filler flap unlocking function
Activation of the sliding/tilting roof
Activation of the anti-theft alarm (ATA), further information
Chapter
Activation of the immobiliser, further information
Chapter
Activation of the entry and start authorisation system, further information
Chapter
Note
The procedure must always be carried out for reading the codes stored in the
“convenience system central control unit”
if the
convenience system central control unit
J393
is to be renewed
Anchor
.
After renewing the
convenience system central control unit
J393
, the convenience system central control unit's other functions, such as
“immobiliser”
,
“anti-theft alarm”
,
“entry and start authorisation”
,
“tyre pressure monitor”
and the central locking system keys must also be adapted depending on equipment.
Start by adapting the immobiliser (
Chapter
) and continue, in any sequence, with the further functions of the
convenience system central control unit
J393
.
After renewing the
convenience system central control unit
J393
, the anti-theft alarm must be adapted
Chapter
.
Fault detection and fault display:
Vehicle diagnostic tester
Removing:
Switch off ignition and all electrical consumers.
Disengage ignition key out in position 0 (forward notch).
Remove glove compartment
General body repairs, interior
Rep. gr.
68
Compartments/covers; Removing and installing glove compartment
.
Unscrew both securing nuts
1
and remove
convenience system central control unit
J393
with bracket
2
from securing threads, taking connected wiring length into consideration.
Note
The connectors can only be released and disconnected once the recesses of the connector and bracket are aligned with each other precisely.
Release locking lug
3
and push
convenience system central control unit
J393
into bracket in
direction of arrow
until recesses on connector
1
are exactly positioned over recesses
2
in bracket.
Pull all connectors off
central control unit for convenience system
J393
.
Note
The number of connectors depends on the vehicle equipment level.
All connectors can only be fitted in one position and do not therefore have to be marked.
Open the four catches at the sides
arrows
and remove cover
1
.
Remove
convenience system central control unit
J393
2
from bracket.
Installing:
Installation is carried out in the reverse order. When installing observe the following:
Note
The connectors can only be fitted and locked in place once the recesses of the connector
1
and the bracket
2
are positioned over one another precisely.
Tighten securing nuts
1
to specified torque of 4.5 Nm.
Renewing and/or coding convenience system central control unit
Vehicle diagnostic tester
.
Note
After renewing the
convenience system central control unit
J393
, the convenience system central control unit's other functions, such as
“immobiliser”
,
“anti-theft alarm”
,
“entry and start authorisation”
,
“tyre pressure monitor”
and the central locking system keys must also be adapted depending on equipment.
Start by adapting the immobiliser (
Chapter
) and continue, in any sequence, with the further functions of the
convenience system central control unit
J393
.
Adapting convenience system central control unit
The following functions in the
convenience system central control unit
J393
can be adapted:
Reading alarm sources of anti-theft alarm
Reading alarm sources of alarm horn
Adapting automatic unlocking on removing ignition key
Adapting automatic locking at 15 km/h
Adapting battery monitoring
Adapting ATA delay on opening driver door
Adapting unlocking of individual doors
Adapting sensitivity of interior monitoring
Adapting sensitivity of inclination sensor
Deactivating factory mode
Adapting convenience operation via remote control
Adapting country setting for intelligent alarm horn
Reading measured values of convenience system
Adapting feedback indicating that anti-theft alarm system is armed
Adapting feedback for unlocking and locking via remote control
Adapting feedback for unlocking and locking via key
Adapting feedback for unlocking and locking via access and start authorisation system
Adapting remote control key
Checking remote control key
Adapting software of convenience system central control unit
Updating convenience system central control unit
Remote activation or deactivation of rear lid opening
Note
It depends on the fitted optional equipment whether or not the above-mentioned adaptations can be carried out.
Vehicle diagnostic tester
.