GM Historic (OBD I) Diagnostics

From the Diagnostic Codes

Menu:

1.Select Erase Codes.

•Use UP or DOWN arrow key until Erase Codes is highlighted.

•Press ENTER.

2.Confirm selection.

•Press LEFT or RIGHT to move the brackets to the desired response.

Press ENTER.

Selecting No and pressing ENTER returns you to the Diagnostic Codes Menu.

Diagnostic Codes Manu

Read Codes

Erase Codes Review Data Print Data Code Lookup Tool Setup

Erase Codes

Are you sure you want to erase diagnostic codes?

Yes

(No)

Selecting Yes displays a screen prompting you to turn ignition on.

•Turn ignition key on. Engine can be off or running.

•Press ENTER to continue.

Erase Codes

 

Turn ignition key on. Engine can be off or running.

Press ENTER to continue.

5

A message confirming that the Erase Codes command was successful displays.

Erase Codes

Erase Codes command sent. Perform Read Codes function to verify erase.

Press ENTER to cont.

3.Return to Diagnostic Codes Menu.

•Press ENTER.

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Actron CP9190 From the Diagnostic Codes Menu Select Erase Codes, Use UP or Down arrow key until Erase Codes is highlighted