On Board Diagnostic (OBD II), functions
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NOTE:
The following modes can be selected by inserting address word 33:
ON BOARD DIAGNOSTIC (OBD II) FUNCTIONS
| Mode | Function |
|---|---|
| 1 | Transmit diagnostic data: Only certain individual test values can be read. In the workshop, the measuring value block is read only with address word 02, function 08. |
| 2 | Not applicable |
| 3 | Check DTC memory: Only emissions influencing malfunctions are indicated immediately (depending on the malfunction), or after two driving cycles (Dcy) via the corresponding P-codes. In the workshop DTC memory is checked with address word 02, function 02. |
| 4 | Erase DTC memory: DTC memory can be erased even if it has not previously been read. In the workshop DTC memory is erased with address word 02, function 05. |
| 5 | Not applicable |
| 6 | Not applicable |
| 7 | OBD test results, continuously monitored: Emissions-related malfunctions can be read, even if these malfunctions have not existed long enough for the MIL to be switched on. |