Equus 3120 - OBD 2&1 Tool Kit Manual do Utilizador descarregar pdf (Página 71)

OBD2 & 1 69

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/FF 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/FF button.

Proceed to step 4 to continue.

If the year shown is not correct, highlight Select New Vehicle

and press the ENTER/FF button to return to the “Select

Vehicle Year” menu to make your corrections.

4. When the Tool is in the process of retrieving codes, a "One moment

please..." message shows on the Tool’s LCD display.

■ If the Tool fails to link to the vehicle's

computer, a "Vehicle is not respond-

ing" message shows on the Tool’s

LCD display. Do the following:

■ Verify the ignition is ON.

■ Check the cable connections at the

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/FF button and repeat steps 4 and 5 as

necessary.

5. If the Tool was able to link to the vehicle

successfully, a "Code retrieval was suc-

cessful..." message shows temporarily

on the Tool’s LCD display, followed by

any retrieved DTCs.

■ The Tool will display a code only of codes are present in the vehi-

cle'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 buttons, as necessary, to view the additional

information.

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