Equus 3110 - CanOBD2 Diagnostic Tool - Manual (Page 48)

46 CAN OBD2
E
■ If the illumination of the Yellow LED is
being caused by monitors that “have
not run” their diagnostic testing, then
the issue of the vehicle being ready
for an Emissions Test (Smog Check)
depends on the emissions regula-
tions and laws of your local area.
- Some areas require that all
Monitors indicate a "Has Run" status before they allow an
Emissions Test (Smog Check) to be performed. Other areas
only require that some, but not all, Monitors have run their
self-diagnostic testing before an Emissions Test (Smog
Check) may be performed.
From the code retrieval procedure, determine the status of
each Monitor (a solid Monitor icon shows Monitor "Has Run"
status, a flashing Monitor icon indicates "Has Not Run" sta-
tus). Take this information to an emissions professional to
determine (based on your test results) if your vehicle is ready
for an Emissions Test (Smog Check).
3. RED LED - Indicates there is a problem
with one or more of the vehicle's sys-
tems. A vehicle displaying a red LED is
definitely not ready for an Emissions
Test (Smog Check). The red LED is also
an indication that there are Diagnostic
Trouble Code(s) present (displayed on
the Code Reader's screen).
The
Multifunction Indicator (Check Engine)
Lamp on the vehicle's instrument panel will light steady. The prob-
lem that is causing the red LED to light must be repaired before an
Emissions Test (Smog Check) can be performed. It is also suggest-
ed that the vehicle be inspected/repaired before driving the vehicle
further.
If the Red LED was obtained, there is a definite problem present in
the system(s). In these cases, you have the following options.
■ Repair the vehicle yourself. If you are going to perform the
repairs yourself, proceed by reading the vehicle service manual
and following all its procedures and recommendations.
■ Take the vehicle to a professional to have it serviced. The prob-
lem(s) causing the red LED to light must be repaired before the
vehicle is ready for an Emissions Test (Smog Check).
Using the Code Reader
I/M READINESS TESTING