Re: 3.9k Ohm Diagnostic mode on a P4.

[Ludis Langens <ludis@cruzers.com>]

Bruce Plecan wrote:
> 
> Then for a while this was the mode that when done on the assembly line, that
> the EPA demanded that the car be recorded in.  What the policy is now for
> the new car recordings is now I haven't a clue.

That's strange!  AFAIK, only GM has an analog limp home mode.

As to the 3.9K mode:  In a well designed product, there needs to be a
way to test every "feature".  Without this mode, it would be very hard
to detect a failed netres, or an incorrect netres.

-- 
Ludis Langens                               ludis (at) cruzers (dot) com
Mac, Fiero, & engine controller goodies:  http://www.cruzers.com/~ludis/


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