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Diagnostic Operation System VAS 5051A, connecting and selecting functions: Notes

WARNING: This page is about a different car, the 2008 Audi S4, 2008 Audi RS 4, and 2008 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.

Test requirements: 

NOTE:
  • The various functions of the Diagnostic Operation System VAS 5051A are described in the system operating instructions.
  • The design and function of the Diagnostic Operation System VAS 5051A are described in the 202 Diagnostic Operation System VAS 5051A. This also contains a range of examples illustrating correct system utilization.
  • On this vehicle, the diagnostic connections of various control modules (e.g. radio) are wired to a different diagnostic connector pin. In order to exchange data with these control modules, the diagnostic cable between the vehicle and the vehicle diagnostic system (e.g. Diagnostic Operation System VAS 5051A or Vehicle Diagnosis Service Syst. VAS 5052) must be installed with a K-Lead Adapter Vas6017B VAS 6017B (or the K-Lead Adapter VAS 6017A) → Automatic Climate Control System, On Board Diagnostic (OBD)  and.
  • For vehicles up to VIN 399999 in Model Year 2005 (Saloon and Avant; gradual introduction for the Cabrio in week 46/04 with no prior specification of any particular VIN ), On Board Diagnostic (OBD) can also be performed using the Fault Read Out Device V.A.G 1551 or the Mobile Scan Tool V.A.G 1552 in mode "1" (rapid data transfer). The various functions are described in the relevant system operating instructions. For vehicles as of VIN "400000" in Model Year 2005 (Saloon and Avant; gradual introduction for the Cabrio in week 46/04 with no prior specification of any particular VIN ), On Board Diagnostic (OBD) using the Fault Read Out Device V.A.G 1551 or the Mobile Scan Tool V.A.G 1552 will no longer be possible for all vehicle systems.
  • In order to be able to perform On Board Diagnostic (OBD) with the Fault Read Out Device V.A.G 1551 or the Mobile Scan Tool V.A.G 1552 on this vehicle, the program card in the Fault Read Out Device V.A.G 1551 must correspond to at least data version "No. 9" and in the Mobile Scan Tool V.A.G 1552 to at least data version "No. 6".
Fig 1: Identifying Diagnostic Operation System VAS 5051/3 & VAS 6017
GW00021262Courtesy of VOLKSWAGEN UNITED STATES, INC.

Or

NOTE:
  • Pay attention to the applicable notes on Output Diagnostic Test Mode (DTM) diagnosis → Output Diagnostic Test Mode (DTM) (function 03) .
  • If On Board Diagnostic (OBD) must be performed for several vehicle systems, use the K-Lead Adapter Vas6017B VAS 6017B (or the K-Lead Adapter VAS 6017A) if applicable.
  • The LEDs on the K-lead adapter VAS 6017 light as soon as the transmits a request and as soon as the relevant vehicle control module responds or to indicate the channel (1 or 2) on which the information is output.
Fig 2: Identifying Vehicle System Selection Prompt & "Scrolling" Bar
GW00021263Courtesy of VOLKSWAGEN UNITED STATES, INC.
NOTE:
  • Vehicle system selection prompt appears in display zone - 1  -.
  • "Scrolling" the screen display with the bar - 2  - permits display of vehicle systems (for all vehicle models and equipment levels) which are intended for On Board Diagnostic (OBD) but are not currently visible on the screen.
Fig 3: Locating Control Module Identification With Code Indicated On Display
GW00000565Courtesy of VOLKSWAGEN UNITED STATES, INC.
NOTE:
  • Control module identification now appears in display zone - 2  - of Diagnostic Operation System VAS 5051A.
    • Fig 4: Identifying "Vehicle System Not Available" & "Diagnostic Bus Interrupted" On Diagnostic Operation System VAS 5051A Display
    GW00021264Courtesy of VOLKSWAGEN UNITED STATES, INC.
  • Check the following if "Vehicle system not available" appears in zone - 1  - of Diagnostic Operation System VAS 5051A display:
  • Voltage supply to operating and display module, Climatronic Control Module J255 using wiring diagram
  • Wiring between 16-pin diagnostic socket and operating and display module, Climatronic Control Module J255
  • Check the following if an additional display zone - 2  - with the message "Diagnostic Bus interrupted" and references to possible cause of trouble appears on Diagnostic Operation System VAS 5051A display:
  • Voltage supply to 16-pin diagnostic socket using wiring diagram
  • Voltage and condition of Battery A (vehicle Battery) "Guided Fault-Finding" Vehicle Diagnosis, Testing Info. System VAS5051B or Vehicle Diagnosis Service Syst. VAS5052
  • "Diagnostic Bus interrupted" display with references to possible cause of trouble also appears on Diagnostic Operation System VAS 5051A if a problem has occurred during On Board Diagnostic (OBD) or in the event of interruption of data exchange between the Diagnostic Operation System VAS 5051A and the operating and display module, Climatronic Control Module J255.
  • The current screen display can be printed out by selecting the "Print" function on the Diagnostic Operation System VAS 5051A display.
  • Possible causes of trouble can be displayed by selecting "Help" function on Diagnostic Operation System VAS 5051A display.
  • Touching the buttons shown on the Diagnostic Operation System VAS 5051A display allows movement forwards or backwards in the program (arrow buttons), or to switch functions.
Fig 5: Locating Control Module Identification With Code Indicated On The Display
GW00000565Courtesy of VOLKSWAGEN UNITED STATES, INC.
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