Chrysler Diagnostics

IDLE SPEED TEST

The Idle Speed Test is used to test the functionality of the vehicle idle speed control system. The test allows the user to enter the desired engine speed. The test vehicle should respond by matching the speed commanded. If the vehicle matches the demanded engine speed, the idle speed control system is functioning properly.

Select Idle Speed Test from the Chrysler Functions list and press

ENTER.

The tool instructions may vary depending on the vehicle information entered. However, in all cases it will instruct the user to perform the following:

1)Set the Parking Brake.

2)Turn A/C off.

3)Start engine and let idle.

Chrysler

Functions

?

6)Switch

Test

]

7)Actuator Test

[

` 8)Idle Speed Test

~

!WARNING

!WARNING

Keep hands and Tools away from fan and engine during test.

Carbon monoxide (CO) and other vehicle emissions are harmful or fatal to personnel. Always operate vehicle in a well ventilated area.

Use the UP/DOWN arrow keys to change the Ideal RPM (engine speed). The vehicle should respond by matching the Ideal RPM.

Press the BACK or FUNC key to end the test and return to the Chrysler Functions list.

Idle Speed Test

Actual

RPM

750

Ideal

RPM

755

][ To

Change

RPM ~

SENSOR TEST

7

The Sensor Test is used to view the sensor outputs of some monitored vehicle systems. The Sensor Test is similar to View Data, as it allows the user to read the current output of various sensors throughout the vehicle.

Select Sensor Test from the Chrysler Functions list and press ENTER.

Chrysler Functions ?

` 9)Sensor Test ] 10)Controller Info [ 11)Reset EMR Lamp ~

Turn ignition key On — Engine can be Off or Running. Press ENTER and the scan tool will build a list of sensors and display them.

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Actron 9640 user manual Idle Speed Test, Sensor Test, Rpm ~

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.