Porsche DME 7.8 — OBD II Diagnosis Manual / PAGE 68
DME 7.8 DME 7.80 · 1 0 0 0 0 0 0 1
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DME 7.8 DME 7.80
Data A
1 0 0 0 0 0 0 1
7 6 5 4 3 2 1 0 Bit
Bits 0 to 6
Number of faults in binary format
Bit 7
0 - Check Engine MIL was not switched on by this control module.
1 - Check Engine MIL was switched on by this control module.
Data B
0 0 0 0 0 1 1 1
7 6 5 4 3 2 1 0 Bit
Data byte B displays all the sub-systems which are monitored con-
tinuously, i.e. at least twice per second.
Bit 0 Misfire detection
Bit 1 Fuel system
Bit 2 Other components
Bit 3 Not used
Bit 4 Not used
Bit 5 Not used
Bit 6 Not used
Bit 7 Not used
0 - System not supported.
1 - System supported.
Data C
0 1 1 0 1 1 0 1
7 6 5 4 3 2 1 0 Bit
Data byte C displays the sub-systems which are monitored at least
once per driving cycle.
0-3 page 4 Data output with a scan tool
dsc_dm78 Printed in Germany – 8, 2002
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