Actron 9640 Manuel D’Utilisation

✓

Refer to “Scan Tool Does Not Power Up” on page 9-1 if you encounter

problems.

When the scan tool is not connected to the vehicle, the 

ON/OFF key turns ON 

the scan tool. Press and hold down the 

ON/OFF key for at least one second to 

turn ON the scan tool. 
To conserve battery power, the scan tool disables the display’s back-lighting 

and turns OFF after a period of inactivity.
Each time the scan tool is powered up, the voltage of the batteries is checked. 

If the voltage is low, the Low Battery Symbol () displays on the screen. Replace 

batteries using the instructions provided in “Battery Replacement” on 

page 9-3. 

✓

If the scan tool will not be used for an extended period of time, remove the

When using the OBD II J1962 or Chrysler LH adapter cables, the power to the 

tool comes from vehicle Data Link Connector (DLC). All other vehicles will 

require power connection to the cigarette lighter, accessory plug, or the vehicle 

battery using battery clip adapters. If you are unsure of what DLC adapter to 

use, then refer to “Appendix A - Data Link Connectors".
Some vehicle cigarette lighters are not powered when the ignition is in the OFF 

position. Therefore, you may wish to use battery clip adapters.

An AC power adapter (not included) can be used to power the tool when 

reprogramming from a personal computer or off-vehicle reviewing of codes and 

printing. 12V AC-DC converters are available at most PC and electronic stores.
The tool is equipped to accept any 110 Vac - 12 

Vdc wall adapter with the following specifications: 

• 300 mA minimum current unregulated wall 

power adapter. 

• Adapter Dimensions:  5.5 mm Outside Diameter 

• 2.5 mm Inside Diameter

• The Inside Tip is positive (+).

Cigarette Lighter Adapter

Battery Clip Adapter (optional)