Using the Code Reader
CODE RETRIEVAL PROCEDURE
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8. To read the display:
Refer to DISPLAY FUNCTIONS on page 4 for a description of
display elements.
A visible icon indicates that the Code Reader is being
powered through the vehicle’s DLC connector.
A visible icon indicates that the Code Reader 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 top line in the Test Data Display Area shows the DTC, the
number of the code currently being
displayed and the total number of
codes retrieved, and the type of
code being displayed (Generic
Stored, Generic Pending, Generic
Permanent, etc).
The upper right hand corner shows
whether or not the displayed code
commanded the MIL on and
whether Freeze Frame data was
stored for the “priority” code.
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, or when viewing Freeze
Frame Data, a small arrow is shown in the upper/lower right-
hand corner of the Code Reader display area to indicate the
presence of additional information. Use the
button, as
necessary, to view the additional information.
If a definition for the currently
displayed code is not available, an
advisory message shows on the
Code Reader’s display.
9. Read and interpret the Diagnostic
Trouble Codes using the LCD display
and the green, yellow and red LEDs.
The green, yellow and red LEDs are used (with the LCD
display) as visual aids to make it easier to determine
engine system conditions.
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