Posted to Technical Theory Forum on 3/10/2015
I inspect and work on vehicles at that jagged edge between
road-worthy and junkyard-worthy, and have done so for
decades.
I used to fail OBD1s that coded during ASM/TSI, but was
specifically told by an update instructor to hold off until
the MIL functional test _after_ ASM/TSI, which has a key
cycle off and on between. I then asked him how long should
the MIL stay off KOER during functional for a PASS, and he
frowned and said nothing. Breaking that silence, I asked him
if 30 seconds was okay, and he said that sounded about
right.
I have BAR-97'd about 20,000 vehicles over the years since,
and there have been many dozens of close calls here, on both
sides of 30 seconds.
Michael Barry Technician Quick Stop Smog & More Sacramento, California, USA
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