01-9
On Board Diagnostic II (OBD II), functions
Note:
The following modes can be selected via address word 33:
Mode
Function
1 Transmit diagnostic data:
Only certain individual test values can be read. Read the the measuring value block by using address word 02,
function 08.
2 Not applicable
3 Check DTC memory: Only emissions-influencing malfunctions are indicated immediately or after two driving cycles (Dcy), depending
on the malfunction, via the corresponding P-codes. Check DTC memory by using address word 02, function 02.
4 Erase DTC memory: DTC memory can be erased, even if it has not previously been read. Erase DTC memory by using 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.
Pa
ge 12 of 13 On Board Dia
gnostic
(OBD
), function
11/20/2002 htt
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