
Using the Diagnostic Tool
CODE RETRIEVAL PROCEDURE
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8. To read the display:
Refer to DISPLAY FUNCTIONS on page 9 for a description of
display elements.
A visible
icon indicates that the Diagnostic Tool is being
powered through the vehicle’s DLC connector.
A visible
icon indicates that the Diagnostic Tool is linked to
(communicating with) the vehicle’s computer.
The I/M Monitor Status icons indicate the type and number of
Monitors the vehicle supports, and provides indications of the
current status of the vehicle’s Monitors. A solid Monitor icon
indicates the associated Monitor has run and completed its
testing. A blinking Monitor icon indicates the associated Monitor
has not run and completed its testing.
The upper right hand corner of the
display shows the number of the
code currently being displayed, the
total number of codes retrieved, and
whether or not the displayed code
commanded the MIL on. If the code
being displayed is a PENDING code,
the PENDING icon is shown. If the
code being displayed is a PERMA-
NENT code, the PERMANENT icon
is shown.
The Diagnostic Trouble Code (DTC) and related code definition
are shown in the lower section of the display.
In the case of long code definitions, a small arrow is shown in the
upper/lower right-hand corner of the Diagnostic Tool display area
to indicate the presence of additional information. Use the
and
buttons, as necessary, to view the additional information.
If a definition for the currently
displayed code is not available, an
advisory message shows on the
Diagnostic Tool’s display.
9. Read and interpret Diagnostic Trouble
Codes/system condition using the display
and the green, yellow and red LEDs.
The green, yellow and red LEDs are
used (with the display) as visual aids
to make it easier to determine
engine system conditions.
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.
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