Equus 3130 - Scan Tool – OBD2 - Manual (Page 26)

24 OBD2
E
Using the Scan Tool
CODE RETRIEVAL PROCEDURE
■ The Scan Tool will display a code only
if codes are present in the vehicle’s
computer memory. If no codes are
present, a “No DTC’s are presently
stored in the vehicle’s computer”
message is displayed.
■ The Scan Tool is capable of retrieving
and storing up to 32 codes in memo-
ry, for immediate or later viewing.
8. To read the display:
Refer to Display Functions on page 12 for a description
of display elements.
■ A visible icon indicates that the Scan Tool is being powered
through the vehicle’s DLC connector.
■ A visible icon indicates that the Scan Tool is linked to (com-
municating 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 indi-
cates 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, the type
of code (G = Generic; M = Enhanced
or Manufacturer specific), 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.
■ 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 and Live Data, a small arrow is shown in
the upper/lower right-hand corner of the Scan Tool dis-
play area to indicate the presence of additional infor-
mation. Use the
and buttons, as necessary, to
view the additional information.
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 dis-
play) as visual aids to make it easier to determine engine
system conditions.