Volkswagen Golf Variant / Jetta. Manual - part 842

14.1

General description

When dealing with complaints, it is absolutely necessary to un‐

derstand the functions and the operation of the parking aid ⇒ 

Operating instructions .
The parking aid system supports the driver during parking ma‐

noeuvres by indicating the distance from the rear of the vehicle

to the obstacle by way of acoustic signals.
A 4-channel and a 8-channel parking aid system are available.
The 4-channel parking aid system consists of:
♦ Parking aid control unit -J446-
♦ Rear parking aid warning buzzer -H15-
♦ Rear left centre parking aid sender -G204-
♦ Parking aid sender, rear left, inner -G334-
♦ Parking aid sender, rear right, inner -G335-
♦ Rear right centre parking aid sender -G205-

Note

♦

It is possible that the first software version of the parking aid

control unit -J446- may display various sender designations

due to the various levels of software. In this case allocation is

as follows:

♦

Rear centre left parking aid sender -G204- is rear left parking

aid sender -G203-

♦

Rear left inner parking aid sender -G334- is rear centre left

parking aid sender -G204-

♦

Rear right inner parking aid sender -G335- is rear centre right

parking aid sender -G205-

♦

Rear centre right parking aid sender -G205- is rear right park‐

ing aid sender -G206-

The 8-channel parking aid system consists of:
♦ Parking aid control unit -J446-
♦ Front left parking aid sender -G255-
♦ Front centre left parking aid sender -G254-
♦ Front centre right parking aid sender -G253-
♦ Front right parking aid sender -G252-
♦ Rear left parking aid sender -G203-
♦ Rear centre left parking aid sender -G204-
♦ Rear centre right parking aid sender -G205-
♦ Rear right parking aid sender -G206-
♦ Front parking aid warning buzzer -H22-
♦ Rear parking aid warning buzzer -H15-
♦ Parking aid button -E266-

334

 

E266- again ( parking aid warning lamp -K136- goes out) or drive

forwards with a speed over about 15 km/h.
A brief audible signal is given and the parking aid warning lamp -

K136- lights up when the parking aid system is ready. If a fault is

detected, a continuous audible signal is given for 5 seconds and

the parking aid warning lamp flashes -K136- .
The intervals between the warning signals become proportionally

shorter as the distance decreases. At distances of less than 30

cm the warning signals merge into a continuous tone. Special sit‐

uation: reversing parallel to a wall: no warning signal.
Fault detection and fault display
The parking aid system is equipped with self-diagnosis.
For fault finding, use vehicle diagnosis, testing and information

system -VAS 5051B- in „Guided fault finding“ mode.
To check parking aid system as a whole, perform final control

diagnosis 

⇒ page 354

 .

14.2

Assembly overview - 4-channel parking aid

1 - Rear parking aid warning

buzzer -H15-

❑ Saloon: under rear shelf
❑ Variant: behind right

side luggage compart‐

ment trim

❑ Saloon: removing and

installing 

⇒ page 351

❑ Variant: removing and

installing 

⇒ page 351

2 - Parking aid control unit -

J446-

❑ Behind right side lug‐

gage compartment trim

❑ Saloon: removing and

installing 

⇒ page 338

❑ Variant: removing and

installing 

⇒ page 338

❑ Coding 

⇒ page 341

❑ Adjusting optical display

⇒ page 341

3 - Rear right centre parking

aid sender -G205-

❑ In rear bumper cover
❑ Removing and installing

⇒ page 342

❑ Renew sender and

sender holder in the

event of repair

⇒ page 347

 .

4 - Parking aid sender, rear

right, inner -G335-

❑ In rear bumper cover

14. Parking aid    

335

 

❑ Renew sender and sender holder in the event of repair 

⇒ page 347

 .

5 - Parking aid sender, rear left, inner -G334-

❑ In rear bumper cover
❑ Removing and installing 

⇒ page 342

❑ Renew sender and sender holder in the event of repair 

⇒ page 347

 .

6 - Rear left centre parking aid sender -G204-

❑ In rear bumper cover
❑ Removing and installing 

⇒ page 342

❑ Renew sender and sender holder in the event of repair 

⇒ page 347

 .

Note

♦

It is possible that the first software version of the parking aid

control unit -J446- may display various sender designations

due to the various levels of software. In this case allocation is

as follows:

♦

Rear centre left parking aid sender -G204- is rear left parking

aid sender -G203-

♦

Rear left inner parking aid sender -G334- is rear centre left

parking aid sender -G204-

♦

Rear right inner parking aid sender -G335- is rear centre right

parking aid sender -G205-

♦

Rear centre right parking aid sender -G205- is rear right park‐

ing aid sender -G206-

336

 

1 - Parking aid senders in rear

bumper cover

❑ Rear left parking aid

sender -G203-

❑ Rear centre left parking

aid sender -G204-

❑ Rear centre right park‐

ing aid sender -G205-

❑ Rear right parking aid

sender -G206-

❑ Removing and installing

⇒ page 342

❑ Checking 

⇒ page 350

❑ Renewing 

⇒ page 349

❑ Renew sender and

sender holder in the

event of repair

⇒ page 347

 .

2 - Rear parking aid warning

buzzer -H15-

❑ Saloon: removing and

installing 

⇒ page 351

❑ Variant: removing and

installing 

⇒ page 351

❑ Adjusting volume

⇒ page 352

❑ Adjusting pitch

⇒ page 352

3 - Parking aid button -E266-

❑ In centre console next to

gear lever

❑ Removing and installing

⇒ page 418

❑ Checking 

⇒ page 355

4 - Parking aid control unit -J446-

❑ Above relay carrier in driver's footwell
❑ Removing and installing (left-hand drive vehicle) 

⇒ page 339

❑ Removing and installing (right-hand drive vehicle) 

⇒ page 340

❑ Coding 

⇒ page 341

❑ Adjusting optical display 

⇒ page 341

❑ Final control diagnosis 

⇒ page 354

 .

5 - Front parking aid warning buzzer -H22-

❑ Removing and installing 

⇒ page 353

❑ Adjusting volume 

⇒ page 353

❑ Adjusting pitch 

⇒ page 354

6 - Sender for parking aid in front bumper cover

❑ Front left parking aid sender -G255-
❑ Front centre left parking aid sender -G254-
❑ Front centre right parking aid sender -G253-
❑ Front right parking aid sender -G252-
❑ Removing and installing 

⇒ page 345

14. Parking aid    

337