Volkswagen Golf Variant / Jetta. Manual - part 879

 

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Volkswagen Golf Variant / Jetta. Manual - part 879

 

 

control unit -J345- (up to MY2009)

Special tools and workshop equipment required
♦ Torque wrench -V.A.G 1783-

Caution

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

Removing
– Remove left luggage compartment side trim panel ⇒  General

body repairs, interior; Rep. gr.  70 .

– Detach connectors -2-.

Note

The number of connectors at the trailer detector control unit -

J345- may differ from the illustration, depending on vehicle equip‐

ment.

– Remove bolts -1- and take trailer detector control unit -J345-

together with bracket out of vehicle.

– Remove bolts -arrows- and detach trailer detector control unit

-J345- from bracket.

Installing
Carry out installation in the reverse sequence, noting the follow‐

ing:
– Tighten threaded connections to specified torques

⇒ page 507

 .

Following installation, a new trailer detector control unit -J345-

must be encoded 

⇒ page 483

 .

482

 

control unit -J345- (from MY2010)

Caution

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

Removing
– Remove left luggage compartment side trim panel ⇒  General

body repairs, interior; Rep. gr.  70 .

– Undo bolts -1- and -2- and take trailer detector control unit -

J345- -4- off plate.

– Disconnect the connectors -3- for the trailer detector control

unit -J345- -4-.

Installing
Carry out installation in the reverse sequence, noting the follow‐

ing:
Following installation, a new trailer detector control unit -J345-

must be encoded 

⇒ page 484

 .

5.8.3

Coding trailer detector control unit -

J345- (up to MY2009)

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
♦ 01 - On Board Diagnosis capable systems
♦ Trailer detector

5. Control units    

483

 

Coding trailer detector control unit -

J345- (from MY2010)

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
♦ Trailer detector
♦ Functions
♦ Code trailer detector control unit

5.8.5

Adapting software - trailer detector con‐

trol unit -J345- (from MY2010)

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

5051B-

This test programme provides support when renewing or retrofit‐

ting immobiliser control unit.

484

 

– 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
♦ Trailer detector
♦ Functions
♦ Adapt immobiliser control unit software

5.8.6

Trailer detector control unit -J345- final

control diagnosis

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

5051B-

♦ Socket tester -V.A.G 1537/A-

♦ Trailer socket tester -VAS 5800-

5. Control units    

485

 

 

 

 

 

 

 

 

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