Thanks for the reply. I guess I should have been more specific with the code.
It is actually a ON/OFF frequency reading, shown as a percentage of duty cycle, typical of K-Jets.
According to the book, this can be done with the tester, but I dont have one.

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Mino Erhan Dallas, TX
'97 SL500 40th A.E.
'97 S320
'01 ML320
'85 Peugeot 505 SW
'07 BMW R1200RT
'74 Suzuki GT750