Actron 9640 Manuel D’Utilisation

Select Fast Codes or Slow Codes and 

press 

ENTER. 

Follow the instructions step-by-step. 

Failure to perform these steps may set a 

false DTC in the PCM — observe the 

display.

1) Set Parking Brake.
2) Transmission In Park Or Neutral.
3) Turn A/C Off.
4) Start Engine — Let Idle Until Hot.
5) Turn Ign Key Off.
6) Wait 10 Seconds. Start Engine — Let Idle. 
7) If Vehicle Has A Manual Transmission, Release Clutch.

Press 

ENTER to activate the self-test. 

✓

The following actions do not apply to MECS vehicles.

❒

For a 7.3L Diesel, depress the throttle until test is done.

❒

If Applicable, set Octane Switch To Premium.

The tool will prompt the user to:

❒

Work Steering Wheel

❒

Pump Brake Pedal & Cycle OD (overdrive) Cancel Switch. (Cycle 

Overdrive only if a pushbutton is available.) 

✓

Observe Screen for Prompt to Perform the next action.

❒

Quickly Press And Release Throttle. One Time Only! 

After performing these steps, wait for 

the tool to retrieve DTCs. When the test 

is done, turn Ign Key OFF and press 

ENTER.

Use the 

DOWN arrow key to begin 

viewing codes.

Select Code Type
` 1)Fast Codes

2)Slow Codes
3)Computed Timing

Test Completed

Turn Ign Key Off.

Press ENTER To Cont

Use S to view Codes.
Write Down Codes
For Reference.

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