SEAT Workshop Service and Repair Manuals > Leon Mk1 > 001 Automatic gearbox | Automatic gearbox, control, assembly, housing | Connect fault reader V.A.G?5051 and select the functions

Connect fault reader V.A.G 5051 and select the functions

Connect fault reader -V.A.G 5051- and select the functions

All functions which could previously be performed with -V.A.G 1551/1552- can also be performed with the new tester -VAS 5051- in the operating mode “vehicle self-diagnosis”: → Instruction manual for Vehicle Diagnosis, Testing and Information System VAS 5051.

Special tools and workshop equipment required

t	-VAS 5051- diagnosis operations central

t	Diagnosis cable -VAS 5051/1- or -VAS 5051/3-

Caution

t	During the test drive, testing and measuring instruments must always be installed in the rear seat

t	While the vehicle is in motion, this equipment should only be operated by a person other than the driver

Checking conditions

l	Selector lever in position “P” and hand brake on

l	Battery voltage must be at least 11.5 V

l	All fuses correct, according to current flow diagrams

l	All fuses in the battery box, correct

l	Check earth connections for gearbox:

–	Check the earth connections for corrosion and loose contacts and, if necessary, repair them.

–	The earth connection fixing point is situated under the battery.

–	Check the battery earth strap and earth strap between the bodywork and the starter motor.

Connecting -VAS 5051-

–	With the ignition switched off, fit the connector from diagnosis cable -VAS 5051/1- or -VAS 5051/3- to the diagnosis connection. Connectors for the diagnosis connection → Item.

Select operating mode

–	Press button on display for “Vehicle self-diagnosis”.

Select vehicle system

–	Press the button on the screen of the system that is to be checked.

The control unit code and identification appear on the screen.

Select diagnostic function

All diagnosis functions available are indicated on the display.

–	Press button on display for desired function.

Note!

The display zones in the functions “04 - Basic setting” or “08 - Read measured value block”, will be listed from top to bottom.

–	Continue with the self-diagnosis of the vehicle system which has to be checked with the descriptions of the repairs.

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