User guide

32 www.AutoEnginuity.com
state. Make sure you verify that all your required IM monitors have
completed before the vehicle is emissions tested.
Not all of the IM monitors are supported by all vehicles. The
Status column in each of the standard lists indicates whether the
system supports being tested on this vehicle. If the system is not
supported, Not Supported (shown in yellow) will be displayed in
the column by default and the description will have a line striking
through the IM monitor’s name. If the system is supported, Com-
pleted (shown in green) or Not Completed (shown in red) will be
displayed.
Continuously monitored systems are sampled by the vehicle
every two seconds. The rate at which the non-continuously moni-
tored systems are sampled is vehicle and manufacturer dependant.
Vehicle manufacturers were given liberal latitude in setting
non-continuous IM monitoring strategies. A "Drive Cycle" is the
name for the series of conditions required before all non-continuous
IM monitors can begin and complete their tests. For example,
sloshing of the fuel can prevent testing of the evaporative system
because of false malfunction indications due to high vapor genera-
tion rates. See Appendix C for details about your vehicle’s drive
cycle. It is possible that a IM monitor will not complete, even
though its drive cycle criteria is met because a Pending DTC or a
dependency on the completion of another IM monitor (i.e., a cata-
lyst monitor waiting for the completion of the oxygen sensor moni-
tor.). A "Trip" can also be used to verify work you do on any one
system and its support components without having to complete the
entire drive cycle.
The vehicle is scanned for non-continuous onboard
system test results changes in one minute
intervals.