On Board Diagnostic (OBD), Initiating Program
Special Tools, Test Equipment And Auxiliary Items
- VAS5051 Diagnostic Operation Center (DOC) and/or VAG1551 Scan Tool (ST).
- VAG1551/3 adapter cable
Test requirements
- Fuses OK
See Electrical Wiring Diagrams Troubleshooting & Component Locations.
- Instrument cluster coding checked according to coding table. Code Control Module (Scan Tool Function 07)
- Connect VAS5051 Diagnostic Operation Center (DOC) or
- Connect VAG1551 Scan Tool (ST). VAG 1551 Scan Tool, Connecting
- Ignition switched on
NOTES:
- If the VAG1551 display remains blank, check the power supply.
See Electrical Wiring Diagrams Troubleshooting & Component Locations.
- Press the HELP button for additional operating instructions.
- Press the -> button to advance through the program sequence.
- An incorrect entry can be cancelled by pressing the -C- button.
- In "Rapid data transfer" operating mode 1, the "Automatic Test Sequence" (address word 00) can be carried out. This will automatically check the DTC memories of all of the control modules in the vehicle which have OBD capability.
- Switch ignition on.
- Switch printer on by pressing PRINT button (indicator light in button comes on).
- Press button -1- to select "Rapid data transfer" operating mode 1.
Indicated on display
Rapid data transfer HELP
Insert address word XX
Address word for instrument cluster: 17
- Press buttons -1- and -7-.
Indicated on display
Rapid data transfer Q
17 - Instrument Cluster
- Press -Q- button to confirm input.
Indicated on display (after approx. 5 seconds) (example)
8D0919930L B5-Instrument Cluster VDOX16
Coding 00262 WSC 06812
- 8D0919930L: part number of instrument cluster (see also parts exchange program)
- B5-Instrument Cluster: component designation
- VDO: manufacturer ID (UN4 = Nippon Seiki, VD0 = VDO)
- X16: instrument cluster software version
- Coding 00262: instrument cluster coding
- WSC 06812: dealership number
NOTE: Check coding using the coding table. Code Control Module (Scan Tool Function 07)
- Press -> button.
Rapid data transfer HELP
Control module does not answer
- If one of these four messages is displayed, carry out troubleshooting procedures:
See Electrical Wiring Diagrams Troubleshooting & Component Locations.
or
Rapid data transfer HELP
Error in communication link
or
Rapid data transfer HELP
K wire not switching to Ground
or
Rapid data transfer HELP
K wire not switching to B+
Indicated on display
Rapid data transfer HELP
Select function XX
When the HELP button is pressed, a list of possible functions prints out.
- Press -> button to advance through program sequence.
On Board Diagnostic (OBD) Functions
On Board Diagnostic (OBD) Functions
The following functions are possible:
02 - Check DTC Memory. Reading Diagnostic Trouble Codes
03 - Output Diagnostic Test Mode. Output Diagnostic Test Mode (DTM) (Scan Tool Function 03)
05 - Erase DTC Memory. Clearing Diagnostic Trouble Codes
06 - End Output. End Output (Scan Tool Function 06)
07 - Code Control Module. Code Control Module (Scan Tool Function 07)
08 - Read Measuring Value Block. Read Measuring Value Block (Scan Tool Function 08)
10 - Adaptation. Adaptation (Scan Tool Function 10)