Porsche DME 7.8 — OBD II Diagnosis Manual / PAGE 75
DME 7.8 DME 7.8 0 · $1C OBD requirements
Read extracted page text
OCR can contain errors. Check the original page image for exact wording, warnings and specifications.
DME 7.8 DME 7.8 0
$1C OBD requirements
Output of system classification.
01 OBD II for California
02 OBD for EPA
03 OBD II for California and EPA
04 OBD I
05 Fulfills no OBD requirements
06 EOBD (European OBD)
$34 Oxygen sensing value (bank 1 - sensor 1)
Output of the oxygen sensing value
Display between 0 and 1.999.
In the case of decimal output, conversion factor = 0.0000305
Decimal value displayed multiplied by 0.0000305 gives the oxygen
sensing value.
$34 Oxygen sensor current (bank 1 - sensor 1)
Output of the oxygen sensor current
Display between -128 mA and 127.996 mA.
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.
$38 Oxygen sensing value (bank 2 - sensor 1)
Output of the oxygen sensing value
Display between 0 and 1.999.
In the case of decimal output, conversion factor = 0.0000305
Decimal value displayed multiplied by 0.0000305 gives the oxygen
sensing value.
$38 Oxygen sensor current (bank 2 - sensor 1)
Output of the oxygen sensor current
Display between -128 mA and 127.996 mA.
Data output with a scan tool 0-3 page 11
Printed in Germany – 8, 2002 dsc_dm78
This is a source reference. Confirm exact model applicability in the original material.
