Gm obd1 systems – Equus 3120 - OBD 2&1 Tool Kit User Manual

Page 70

OBD2 & 1

GM OBD1 Systems

CODE RETRIEVAL PROCEDURE

Some DLCs have a plastic cover that must be removed
before connecting the Tool's cable connector.

2. Connect the Tool cable (with the GM

Connector Cable Adaptor attached) to
the Tool, then connect the adaptor to the
vehicle’s DLC. Press the POWER/LINK

button to turn the Tool ON, then

press the ENTER/FF

button to con-

tinue.

3. Select the model year of the vehicle from which you wish to retrieve

codes:

If a previous vehicle selection is currently saved in the Tool's
memory, the "Current Selection/Select New Vehicle" menu
displays. If no previous vehicle selection is stored in the Tool's
memory, "Select New Vehicle" displays.

Use the

and

buttons, as necessary, to make menu

selections.

■

To retrieve DTCs from the vehicle selection currently in the Tool’s
memory:

- From the “Current Selection/

Select New Vehicle” screen, high-
light Current Selection, turn igni-
tion key ON (DO NOT start
engine) and press the ENTER/FF

button.

- Proceed to step 5 to continue.

■

To retrieve DTCs from a new vehicle:

- From the “Current Selection/

Select New Vehicle” screen, high-
light Select New Vehicle and
press the ENTER/FF

button;

the “Select Vehicle Year” menu dis-
plays.

- Highlight the desired year, then

press the ENTER/FF

button;

the “Enter the 8th digit of VIN”
menu displays.

- Highlight the 8th digit of the vehi-

cle’s VIN, then press the
ENTER/FF

button.