Actron 9640 Manuel D’Utilisation

If the tool exhibits a problem when 

communicating with the vehicle, a 

message displays. The vehicle’s control 

module(s) enters into an unrecoverable 

state. Press 

ENTER and the tool resets.

An Operating Error or Erroneous Data 

occurs if the vehicle’s computer(s) stops 

communicating with the scan tool. When 

this happens, the scan tool prompts you 

to try again or return to the Function 

List. Make a selection and press 

ENTER. 

Measure Voltage between 

BAT + and GND pins.

frame ground.

Above 8V?

less than

5 ohms?

Is

battery fully 

charged?

Contact Customer 

Service Center.

Repair Ground

circuit. Refer to a 

service manual.

Charge battery.

Scan Tool

 does not 

power up.

NO

NO

NO

YES

YES

YES

Open exists in power 

circuit. Check for a blown fuse 

or an open wire. Refer to a 

service manual.

PIN 16 (BAT+)

PIN 4 (GND)

PIN 2 (BAT+)

PIN 6 (GND)

Vehicle Comm Fault. ?
 Turn Key Off For
10 Sec, Then Press
ENTER To Reset Tool~

Operating Error

Check Connections!

Try Again?

  <YES>      NO

~