Scan Tool Connecting and Initial Checks

Vehicle Diagnosis, Measuring and Information System Vas 5051 or V.A.G 1551 Scan Tool, Connecting and Selecting Functions

Test requirements
- Selector lever in "P" position and parking brake applied.
- Vehicle voltage supply OK
- Power supply and fuses for respective system OK
- Ground (GND) connections and Ground point for transmission OK
- Check Ground connections for corrosion and damage and repair if necessary.
- Check battery Ground (GND) strap and Ground strap between battery and transmission.
- Switch ignition off.







- The Data Link Connector (DLC) is located below the kneebar left of the steering wheel. for vehicles up to m. y. 2000
- Connect VAS5051 tester to vehicle with VAS 5051/1 diagnostic cable. Alternately, V.A.G 1551 Scan Tool can also be used, using VAG 1551/3 adapter.


CAUTION!:
- When performing road tests with testers and measuring equipment, such equipment must only be operated from the rear seat.
- Observe all safety precautions



NOTE: The following description applies to the V.A.G 1551 Scan Tool. For the Vehicle Diagnosis, Measuring and Information System VAS 5051 please refer to the operating instructions.


Indicated on display 1)


VAG - On Board Diagnostic HELP
1- Rapid data transfer
2- Blink code output


1) Operating modes 1 and 2 are displayed alternately


NOTE:
- Get additional operating instructions by pressing the HELP key of V.A.G 1551.
- Use the -> key to advance within the program sequence.
- An automatic check (keys 00) can be done in operating mode 1 "Rapid data transfer". This way all vehicle control modules will be checked automatically.


See Scan tool V.A.G 1551 operating instructions.

- Switch on ignition.
- Switch on printer with the Print key (indicator lamp in key lights up).
- Press key 1 for "Rapid data transfer" mode.

Indicated on display:


Rapid data transfer HELP
Enter address word XX


- Press keys 0 and 2. (Enter the address word "transmission electronics" with 02.)

Indicated on display:


Rapid data transfer Q
02 Transmission electronics


- Press Q button to confirm entry.

Appears on display:


8D0927156BT AG5 01V 2.81V USA 1416 ->
Coding 00002 WSC 00000


The control module identification is displayed:


Control module identification

Depending on the software version, the control module may indicate a different control module identification as shown in this example. Allocation of control module.

- 8D0927156BT : Part number
- AG5 01 V : 5-speed automatic transmission 01 V
- 2.8 l 5 V : Engine version
- USA : (country), USA and CANADA
- 1416 : 14 = program version; 16 = data version
- Coding 00002 : Coding Programming and Relearning
- WSC 00000 : Dealer number of V.A.G 1551, with the last coding was performed

Indicated on display:


Control module does not answer! HELP


- By pressing the HELP key, a list of possible malfunction is printed out.
- After eliminating the possible causes of malfunctions, enter address word 02 for "transmission electronics" and confirm.

If again "Control module does not answer!" appears:

Indicated on display:


Control module does not answer! HELP


Check control module voltage supply.
- Perform test step 1, Electrical check. Electrical Testing
- Check wiring connections to diagnostic connectors
- Replace control module if necessary Location and removing and installing of control module, item 1 Electrical Testing
- Press -> key.

Indicated on display:


Rapid data transfer HELP
Select function XX


- After the HELP key is pressed, a list of possible functions is printed out.