Gm obd1 systems – Equus 3140 - Scan Tool CanOBD2&1 Kit User Manual
Page 93
CanOBD2&1
91
E
GM OBD1 Systems
CODE RETRIEVAL PROCEDURE
If the “Enter 4th VIN Digit” screen displays (not applicable to
all vehicles), highlight the 4th digit of the vehicle’s VIN, then
press the ENTER/LD
button.
- The “Current Selection/Select New Vehicle” screen displays
for your confirmation.
- If the information shown in the “Current Selection” field is cor-
rect, highlight Current Selection, turn ignition key ON (DO
NOT start engine) and press the ENTER/LD
button.
Proceed to step 4 to continue.
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 nec-
essary.
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 pres-
ent, 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.