Actron 9640 Manuel D’Utilisation

The software contains On-Line Help for 

specific tool screens, functions, and 

error messages. When the icon (

?

) 

appears in the upper right-hand corner 

of the display, On-Line Help is available.

To enter On-Line Help, press the 

HELP 

key. For the screen above, the help 

message would look like this

The text in On-Line Help screens are in 

CAPITAL LETTERS. This is an 

indication that you are viewing On-Line 

Help screens and not screens 

associated with a function of the 

Function List. 

Some messages are longer than one screen. Use the 

UP/DOWN arrow keys 

to scroll through the screens.
To exit On-Line Help and return to the original screen, press the 

BACK key.

✓

Review the “Safety Precautions” before troubleshooting.

If the tool will not power up, communicate with your vehicle’s PCM, pass Tool 

Self-Tests, or functions incorrectly in any other way, then try these 

modules require a minimum of 8 volts to power up and operate.
Check the following:

❒

The cigarette lighter adapter is hooked up. Make sure the cigarette 

lighter end is firmly held in the cigarette lighter socket.

❒

Verify that the vehicle’s cigarette lighter fuse is OK. Some vehicles must 

have the key on for the cigarette lighter socket to be on.

❒

Make sure the scan tool’s DLC is connected correctly to the vehicle’s 

DLC. Verify the pins are clean and fully seated in the DLC.

❒

At least 8.0 volts (V) must be present between the power and ground 

pins to power the computer module(s) and communicate. 

❒

Use the following flowchart to troubleshoot the problem.

  Operating Error. ?

Check Connections! 

 Try Again?

<Yes>    No

RECHECK FOLLOWING:
1.IGNITION KEY ON?
2.HOOKUP TO VEHICLE [ 
TEST CONNECTOR OK?

5.TEST CONNECTOR TO
COMPUTER WIRING OK? ] 
6.COMPUTER POWER/
GROUND CIRCUITS OK?