CanOBD2&1 Scan Tool - Sears

GM OBD1 Systems
CODE RETRIEVAL PROCEDURE
If the year shown is not correct, highlight Select New Vehicle
and press the ENTER/LD button to return to the “Select
Vehicle Year” menu to make your corrections.
4. When the CanOBD2&1 Scan Tool is in
the process of retrieving codes, a "One
moment please..." message shows on
the CanOBD2&1 Scan Tool’s display.
� If the CanOBD2&1 Scan Tool fails
to link to the vehicle's computer, a
"Vehicle is not responding" message
shows on the CanOBD2&1
Scan Tool’s display. Do the following:
- Verify the ignition is ON.
- Check the cable connections at
the CanOBD2&1 Scan Tool and
at the vehicle’s DLC.
- Turn the ignition OFF, wait 10-12
seconds, then turn back ON to
reset the computer.
- Press the ENTER/LD button
and repeat steps 3 and 4 as
necessary.
5. If the CanOBD2&1 Scan Tool was able
to link to the vehicle successfully, a
"Code retrieval was successful..."
message shows temporarily on the
CanOBD2&1 Scan Tool’s display,
followed by any retrieved DTCs.
� The CanOBD2&1 Scan Tool will display a code only of 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" is displayed.
6. If more than one code was retrieved, press the DTC SCROLL
button, as necessary, to display additional codes one at a time.
In the case of long code definitions, 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
tion.
buttons, as necessary, to view the additional informa-
Code 12 will always be present and it has one of the following meanings:
� If code 12 is the only DTC retrieved and your vehicle "STARTS OK"
then code 12 indicates system "PASS" and all computer control
systems are functioning properly.
� If code 12 is present and your vehicle "DOES NOT START", then it
may indicate a problem with the ignition control system.
CanOBD2&1 101