Using the diagnostic tool, Obd2 49 – Equus 3100 - CanOBD2 Diagnostic Tool User Manual
Page 51

Using the Diagnostic Tool
VIEWING ENHANCED DTCS
OBD2 49
If the Diagnostic Tool fails to link to
the vehicle’s computer, a “Linking
Failed” message shows on the
Diagnostic Tool’s display.
- Verify the ignition is ON, then
press the ENTER/FF
button
to continue.
2. To read the display:
Refer to DISPLAY FUNCTIONS on page 13 for a description
of LCD 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 upper right hand corner of the display shows the number of
the code currently being displayed, the total number of codes
retrieved.
The Diagnostic Trouble Code (DTC) and related code definition
are shown in the lower section of the LCD display.
I/M MONITOR STATUS icons are not displayed when
viewing enhanced DTCs.
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 display area to indicate the
presence of additional information. Use the
and
buttons, as necessary, to view the additional information.
The Diagnostic Tool will display a
code only if codes are present in the
vehicle’s computer memory. If no
codes are present, a “No Enhanced
DTC’s are presently stored in the
vehicle’s computer” is displayed.
Press the ENTER/FF
button to
return to the GM Enhanced menu.
3. If more than one code was retrieved press the DTC SCROLL
button, as necessary, to display additional codes one at a time.
Whenever the Scroll function is used to view additional codes,
the Diagnostic Tool’s communication link with the vehicle’s
computer disconnects. To re-establish communication, press the
LINK
button again.
4. When the last retrieved DTC has been displayed and the DTC
SCROLL
button is pressed, the Diagnostic Tool returns to the
GM/Isuzu Enhanced menu.