Volkswagen Golf Variant / Jetta. Manual - part 723

 

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Volkswagen Golf Variant / Jetta. Manual - part 723

 

 

assist steering control unit -J791- -1- upwards out of bracket.

Installing
Install in the reverse order of removal. When doing this, note the

following:
– Tighten bolt of park assist steering control unit -J791- to

1.5 Nm.

15.3.3

Coding park assist steering control unit

-J791-

Special tools and workshop equipment required
♦ Vehicle diagnosis, testing and information system -VAS

5051B-

Procedure
– Connect vehicle diagnosis, testing and information system -

VAS 5051B- .

– In vehicle diagnosis, testing and information system -VAS

5051B- , select „Guided fault finding“.

– Using 

GoTo

 button, select „Functions/component“ and the fol‐

lowing menu options in succession:

♦ Body
♦ General body repairs
♦ Park assist steering
♦ Park assist steering functions
♦ Coding park assist steering

15.3.4

park assist steering control unit -J791-

final control diagnosis

Special tools and workshop equipment required

362

5051B-

Procedure
– Connect vehicle diagnosis, testing and information system -

VAS 5051B- .

– In vehicle diagnosis, testing and information system -VAS

5051B- , select „Guided fault finding“.

– Using 

GoTo

 button, select „Functions/component“ and the fol‐

lowing menu options in succession:

♦ Body
♦ General body repairs
♦ Park assist steering
♦ Park assist steering functions
♦ Park assist steering final control diagnosis

15.4

Park assist steering senders

Park assist steering senders are installed in front bumper cover.

The two park assist steering senders are mounted at the outer‐

most, lateral positions of the bumper cover, and are used to

measure proximity during the parking process, together with the

parking aid senders.
The following park assist steering senders are located in the front

bumper cover:
♦ Front left sender for park assist steering on left side of vehicle

-G568-

♦ Front right sender for park assist steering on right side of ve‐

hicle -G569-

15.4.1

Removing and installing park assist

steering senders

Caution

♦ Switch off ignition and all electrical consumers.
♦ Remove the ignition key.

Removing
– Remove front bumper cover ⇒  General body repairs, exterior;

Rep. gr.  63 .

15. Park assist steering    

363

♦ The order for removing the senders must be adhered to

under all circumstances.

♦ The sender may otherwise be damaged. Hairline cracks

may occur if too much force is applied to the sender, caus‐

ing the sender to fail.

♦ First remove sender from bracket and then disconnect

sender connector.

– Push fasteners -arrows- on sender holder -1- outwards.
– Pull sender -2- with connected wiring backwards out of sender

holder.

Note

When removing the sender, make sure that the isolation ring

(black silicone ring) on the sender head does not remain in the

sender or become lost.

Expanding the isolation ring must be avoided under all cir‐

cumstances.

– Detach connector -2- and remove sender -1-.
Installing
Install in the reverse order of removal. When doing this, note the

following:

Caution

Function problems could occur if an incorrect or damaged iso‐

lation ring is used.
Expanding the isolation ring must be avoided under all circum‐

stances.
Renew damaged isolation rings and always ensure that the

correct isolation ring is fitted.

Note

As the front parking aid sender and the park assist steering send‐

ers have sender heads of different lengths, isolation rings of

different heights are also installed.

364

sender head.

Type of sender

Isolation ring height dimen‐

sion -B-

Front parking aid senders

5.7 mm

Park assist steering senders

9.05 mm

– Renew the sender isolation ring -1-.

Note

When installing senders, note position of electrical connections

of senders.

Assignment of senders on inside of front bumper cover:
A - FLS - bracket for front left sender for park assist steering on

left side of vehicle -G568-
B - FRS - bracket for front right sender for park assist steering on

right side of vehicle -G569-

Note

When mounting the sender, make sure that the isolation ring

is correctly mounted on the sender head and does not ride or

roll up on insertion into the sender holder.

Both locking lugs of sender holder must audibly engage when

installing the sender.

– After installing the sender, check that the sender is correctly

seated in the bracket. Visible on the outer side of the bumper,

dimension -a- of the ring gap between the sender head and

bumper cover must be even all around.

15.4.2

Checking parking aid sender/park assist

steering sender

Special tools and workshop equipment required

15. Park assist steering    

365

 

 

 

 

 

 

 

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