Porsche DME 7.8 — OBD II Diagnosis Manual / PAGE 76
DME 7.8 DME 7.80 · In the case of decimal output, conversion factor = 0.00390625
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DME 7.8 DME 7.80
In the case of decimal output, conversion factor = 0.00390625
Offset = -128 mA
Decimal value displayed multiplied by 0.00390625 minus 128 mA
gives the oxygen sensor current.
Mode 2
In mode 2 the operating conditions (freeze frame data) at the time
of fault entry are output. The operating conditions of the fault which
occurred first are stored.
If a fuel system fault or misfiring fault occurs after this, the data of
the fault which occurred first are overwritten.
The following PIDs are supported:
$00 Supported PIDs
The PIDs supported in this mode are output in a 4-byte word.
Data A
0 1 1 1 1 1 1 1
7 6 5 4 3 2 1 0 Bit
01 02 03 04 05 06 07 08 PID
Data B
1 0 1 1 1 0 0 0
7 6 5 4 3 2 1 0 Bit
09 0A 0B 0C 0D 0E 0F 10 PID
Data C
0 0 0 0 0 0 0 0
7 6 5 4 3 2 1 0 Bit
11 12 13 14 15 16 17 18 PID
Data D
0 0 0 0 0 0 0 0
7 6 5 4 3 2 1 0 Bit
19 1A 1B 1C 1D 1E 1F 20 PID
0-3 page 12 Data output with a scan tool
dsc_dm78 Printed in Germany – 8, 2002
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