Thread: More ?'s
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Old Tue, December 8th, 2009, 08:20 AM
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cleatus12r cleatus12r is offline
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I don't think your "set them all to "0". " idea will work out too well.
You have to "think" like the PCM.

Since you don't have an AIH relay anymore, the PCM sees that there is no input when it is actually commanded on (proof that the AIH relay circuit is working). You need to either set the on-time to "0" (which for now I will assume is "MAIH_ON_MAX") so the PCM doesn't turn on the AIH thus it can't run the monitor diagnostic OR you need to change the diagnostic parameter to reflect that there won't be an input voltage to the PCM when it is commanded on but I haven't seen anything in the top section of the parameters list to reflect AIH monitor input values.

Good luck.
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Tuning, PCM flashing, and burning chips for 7.3s since 2008. Repairing all aspects of 7.3L Powerstrokes for 25 years.
Eight 7.3L PSDs in the driveway including a 1994 Crown Vic and 1973 F100/2002 F350. Looking for the next victim.
Last edited by cleatus12r; Tue, December 8th, 2009 at 08:35 AM.
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