Porsche DME 7.8 — OBD II Diagnosis Manual / PAGE 73
DME 7.8 DME 7.8 0 · $10 Air mass
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DME 7.8 DME 7.8 0
$10 Air mass
Output of the intake air mass.
Display between 0 and 655.35 g/s
g/s - grams per second
In the case of decimal output, conversion factor = 0.01
Decimal value displayed multiplied by 0.01 gives the air mass.
$11 Throttle valve position
Output of the absolute throttle angle.
Display between 0% and 100%.
In the case of decimal output, conversion factor = 0.3921568
The decimal value displayed multiplied by 0.3921568 gives the
throttle angle as a percentage.
$12 Status of secondary air system
Data A
0 0 0 0 0 1 0 0
7 6 5 4 3 2 1 0 Bit
Bit 0 Secondary air is injected ahead of the TWC.
Bit 1 Not used
Bit 2 Secondary-air pump is switched off.
Bits 3 to 7 not used.
Note!
Only one bit at a time can be set to 1 to indicate the status.
$13 Number of oxygen sensors
Output of the number and location of oxygen sensors.
0 0 1 1 0 0 1 1
7 6 5 4 3 2 1 0 Bit
Data output with a scan tool 0-3 page 9
Printed in Germany – 8, 2002 dsc_dm78
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