Functions which can be selected when using V.A.G 1551 Scan Tool
WARNING: This page is about a different car, the 2003 Audi S6 and 2002 Audi S6. However, it is still accessible from the selected car via links, so may be relevant.
The conditions to be met when selecting the desired functions are given in the following table.
V.A.G 1551 SCAN TOOL FUNCTIONS
| Address words and functions on V.A.G 1551 Scan Tool | Ignition on, engine stopped | Engine running at idle | Vehicle running | |
|---|---|---|---|---|
| Address words | ||||
| 00 | Automatic test sequence | yes | yes | yes |
| 01 | Engine electronics | yes | yes | yes |
| Functions | ||||
| 01 | Checking control module version | yes | yes | yes |
| 02 | Checking DTC memory | yes | yes | yes |
| 03 | Output Diagnostic Test Mode (DTM) | yes | no | no |
| 04 | Basic setting | yes | yes | yes |
| 05 | Erase DTC memory | yes | yes | yes |
| 06 | End output | yes | yes | yes |
| 07 | Coding control module | yes | no | no |
| 08 | Reading Measured Value Block | yes | yes | yes |
MODE UNDER ADDRESS WORD 33 (V.A.G 1551 SCAN TOOL)
| Mode under address word 33: | |
|---|---|
| Mode 1: Transfer diagnostic data | Ignition on, or engine idling |
| Mode 2: Transfer operating conditions | Ignition on, or engine idling |
| Mode 3: Checking DTC memory | Ignition on, or engine idling |
| Mode 4: Erasing diagnostic information | Ignition on, or engine idling |
| Mode 5: Output of oxygen sensor signals | Ignition on, or engine idling |
| Mode 6: Transferring measured values | Ignition on, or engine idling |
| Mode 7: Checking DTC memory | Ignition on, or engine idling |
| Mode 8: Checking tank system for leaks | Ignition on, or engine idling |
| Mode 9: Reading of vehicle information | Allow engine to idle |
Mode 1 to mode 9 can be selected under address word 33 .
- Individual measured values can be read out under mode 1. Mode 1 is not recommended for the Audi workshop as this data can also be read out in greater detail under address word 01/function 04 or function 08.
- Mode 2 shows the operating conditions under which a malfunction was recognized.
- The DTC memory was checked with mode 3 and erased with mode 4.
- Under mode 5 the static size of the oxygen sensors required by law is shown. As these sizes are not directly related to the oxygen sensor diagnosis, mode 5 is insignificant for the Audi workshop.
- All measured values of components and systems which are not monitored continually can be checked with mode 6.
- Mode 7 can be used to malfunctions where the Malfunction Indicator Light (MIL) has not yet been switched on as the malfunction has not yet been confirmed (MIL is not on, no malfunction under mode 3).
- Mode 8 is used to check the tank for leaks .
- The following vehicle information can be read out with mode 9: VIN, part number and program/data status of engine control module and the check total (this value is an internally calculated value) .