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Old 10-07-2013, 02:40 PM   #155 (permalink)
Ardent
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Join Date: Jun 2010
Location: Virginia
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Injector pulse width is 3 to 4 ms at idle. How much greater than the dead-time does a pulse need to be in order for it to be recognized?

It seems that the algorithm used requires a greater "proof" pulse width to "wake up" from standby or resume from DFC.

The Fundamental Logic board has a 100k resistor on the VSS and INJ inputs. This is greater than shown on the Arduino Assembly diagram on the wiki page, but the same as that shown for the Iduino. What values are you using, and could that have any impact as far as the amplitude of a pulse?

This morning I started the vehicle and the display remained dark. Much like yesterday morning, a throttle blip woke the unit and it then functioned normally.

I'm still planning to test with the 0.86 code.
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