Ford Historic Self-Test Routines

If no DTC is present, continue with the paragraph following the note below. If any DTC(s) are present, the Cyl Balance Test stops and the tool displays the screen to the right.

Correct All

Faults

Rerun

Test

 

 

View

Fault

Codes?

 

<YES>

NO

~

Select YES to review the DTC(s), then turn engine off. Record them and make repairs before repeating the Cyl Balance Test.

In the next step, Do Not touch any vehicle or tool keys while the test is running. Allow engine to idle. Engine speed may drop or become uneven — this is normal.

With no DTCs present, the tool prompts the user to Depress and release the Throttle Halfway within the next 1.5 minutes. Press ENTER to continue. Do not move the throttle.

Running Test.

Don`t Move Throttle

Test Under 5 Min.

Time Remaining=4:45 ~

Fully Depress And. Release Throttle Once In Next 1.5 Min. Press ENTER to Cont.~

If throttle is moved, after depressing and releasing the throttle the tool will display an error message indicating that the test failed due to throttle movement. It prompts the user to retest the vehicle or return to the Ford Function List.

6Noise from the Throttle Position Sensor may cause the test to abort even though the throttle was not moved.

If the engine operates properly, the screen to the right displays. Press ENTER to continue.

Stage 1 Completed.

Code 90: Cylinder

Balance Test Passed.

Press ENTER To Cont

If a problem exists with one or more cylinders, the tool displays a list of failed cylinder(s). Press ENTER to continue.

Stage 1 Completed. Failed Cylinders:

1

Press ENTER To Cont~

Refer to the applicable vehicle service manual for cylinder numbering

sequence. Cylinder failure may be caused by faulty injectors, sparks plugs, or wiring.

Turn the ignition key Off and press ENTER to continue — the tool prompts the user to retest (up to three times). If required, rerun the test to double check the results, or to check for weaker or dead cylinders.

When done, press FUNC to return to the Ford Function List.

6 – 12 • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • •

Page 92
Image 92
Actron 9640 user manual Correct All Faults Rerun Test View Codes?, Stage 1 Completed. Failed Cylinders Press Enter To Cont~

9640 specifications

The Actron 9640 is a distinguished automotive diagnostic tool that has garnered attention for its versatility and user-friendly design. Designed for professional mechanics and DIY enthusiasts alike, the Actron 9640 stands out for its comprehensive features and advanced technologies that simplify vehicle diagnostics.

One of the main features of the Actron 9640 is its ability to read and erase diagnostic trouble codes (DTCs) for a wide variety of vehicles. This tool supports OBD II protocols, allowing it to communicate with a vast array of vehicles produced after 1996. The device provides clear, detailed descriptions of any trouble codes, enabling users to quickly identify and address issues. This is vital for efficient troubleshooting and ensures that users can make informed decisions about repairs.

Another significant advantage of the Actron 9640 is its built-in memory. The device can store code definitions and repair solutions for easy reference during diagnostics. Additionally, it features a robust data logging capability, allowing users to capture live data in real-time, which is essential for performing thorough diagnostic evaluations. This functionality helps in monitoring engine performance, thereby assisting in pinpointing issues that may not always trigger a check engine light.

The Actron 9640 also incorporates a user-friendly interface, equipped with a large LCD display that presents information in an easy-to-read format. Its intuitive navigation and menu options cater to users of varying expertise, making it accessible to beginners while still offering the depth of features that seasoned professionals rely on.

In terms of connectivity, the Actron 9640 is designed to be compatible with various vehicles, supporting multiple protocols beyond OBD II, including CAN, J1850, and ISO9141. This broad networking capability ensures that the device can diagnose problems across different car brands and models.

Built with durability in mind, the device features a robust housing that can withstand the rigors of a workshop environment. The ergonomic design ensures a comfortable grip during use, making it practical for extended periods of diagnostics.

Overall, the Actron 9640 combines advanced features, comprehensive functionality, and ease of use, making it an excellent choice for anyone looking to conduct reliable automotive diagnostics. Whether you're a professional mechanic or a casual car owner, the Actron 9640 can help you maintain your vehicle's performance effectively.