VAG 1551 Scan Tool (ST), Connecting, Selecting Functions And Checking Control Module (Radio) Versions
VAG 1551 Scan Tool (ST), Connecting, Selecting Functions And Checking Control Module (Radio) Versions
Prerequisites:
- All fuses OK according to wiring diagram.
- Battery (B+) voltage at least 9 Volts.
NOTE:
- VAG 1552 Scan Tool (ST) may be used instead of the VAG 1551 Scan Tool (ST), however a print-out is not possible.
- The following procedure and display references pertain only to VAG 1551 Scan Tool (ST).
Connecting
With ignition switched off, connect VAG 1551 Scan Tool (ST) with adapter cable VAG 1551/3 to the Data Link Connector (DLC) as follows:
- Remove cover for Data Link Connector (DLC) under left instrument panel.
- Connect Scan Tool using adapter cable VAG 1551/3.
Indicated on display:
On Board Diagnostic (OBD) HELP
1. Rapid data transfer*
2. Flash code output*
- Is displayed alternately
Functions, selecting
NOTE:
- If the display remains blank check Scan Tool (ST) voltage supply according to wiring diagram.
- Additional operating instructions can be called up by pressing the HELP button.
- The -> button is used to advance through the program sequence.
- In operating mode 1 "Rapid data transfer," function 00 "Automatic test sequence" can be carried out. The DTC memory of all control modules with OBD capability are checked automatically.
- Switch on ignition.
- Switch on printer with the Print button (indicator lamp in button lights up).
- Press button 1 for "Rapid data transfer" mode.
Indicated on display:
Rapid data transfer HELP
Input address word XX
- Press buttons -5- and -6- to select "Radio" address word 56.
Indicated on display:
Rapid data transfer Q
56 Radio
- Press -Q- button to confirm input.
Indicated on display:
Rapid data transfer Q
Tester sends address word 56
Radio version, checking
Indicated on display (example only):
3B7035180 Radio 0001 ->
Coding 04031 WSC 00000
Readout, top line
- 1JO 035 180 = Radio part number
- Radio = System designation
- 0001 = Software version
Readout, bottom line
- Coding 04031 = coding number (dependant on model and optional equipment).
- WSC 00000 = Workshop code
CAUTION: Part numbers are for reference only. Always check with your Parts Department for the latest parts information.
Indicated on radio display during OBD:
------ ---DIAG.---------
- Press ->button.
NOTE: If this message appears in the display:
Rapid data transfer HELP
Control module does not answer!
- Press the HELP button to print out a list of possible malfunction causes.
- After correcting malfunctions, re-enter address word 56 for Radio and press -Q- button to confirm input.
Indicated on display:
1J0035152 Radio 0001 ->
Coding 04403 WSC 00000
- Press ->button.
Indicated on display (select function):
Rapid data transfer HELP
Select function XX
List of available functions
Function
01 - Check Control Module (Radio) version
02 - Check Diagnostic Trouble Code (DTC) memory
03 - Output Diagnostic Test Mode
05 - Erase DTC memory
06 - End Output
07 - Code Control Module (radio) version
08 - Read Measuring Value Block
NOTE:
- Press the HELP button to print out a complete list of available functions. This list indicates the function capability of the VAG 1551 Scan Tool (ST) only, and does not necessarily reflect the function capability of vehicle systems equipped with OBD. For "Radio" address word 56, do not attempt to select functions other than those listed above.
- After the function is completed and forwarded with the ->button, the VAG 1551 Scan Tool (ST) returns to the following start position:
Indicated on display (select function):
Rapid data transfer HELP
Select function XX