Using the Scan Tool
CODE RETRIEVAL PROCEDURE
10
Green LED
– Indicates that all engine
systems are “OK” and operating
normally. All monitors supported by
the vehicle have run and performed
their diagnostic testing, and no trouble
codes are present. All Monitor icons
will be solid.
Yellow LED
– Indicates one of the
following conditions:
A
. A PENDING CODE IS PRESENT – If
the yellow LED is illuminated, it may
indicate a Pending code is present.
Check the display for confirmation. A
Pending code is confirmed by the
presence of a numeric code and the
word PENDING.
B
. MONITOR NOT RUN STATUS – If
the display shows a zero (indicating
there are no DTC’s present in the
vehicle’s computer memory), but the
yellow LED is illuminated, it may be
an indication that some of the
Monitors supported by the vehicle
have not yet run and completed their
diagnostic testing. Check the display
for confirmation. All Monitor icons that
are
blinking
have not yet run and
completed their diagnostic testing; all
Monitor icons that are
solid
have run
and completed their diagnostic testing.
Red LED
– Indicates there is a
problem with one or more of the
vehicle’s systems. The red LED is
also used to indicate that DTC(s)
are present. In this case, the
Malfunction Indicator (Check Engine)
lamp on the vehicle’s instrument
panel will be illuminated.
Choose
Freeze Frame
to view Freeze Frame data for the
“priority” DTC.
DTC’s that start with “P0”, “P2” and some “P3” are considered
Generic (Universal). All Generic DTC definitions are the same on all
OBD2 equipped vehicles. The Scan Tool automatically displays the
code definitions (if available) for Generic DTC’s.
DTC’s that start with “P1” and some “P3” are Manufacturer specific
codes and their code definitions vary with each vehicle
manufacturer.
13.
If more than one DTC was retrieved, and to view Freeze Frame
Data, press and release
DTC/FF
, as necessary.