How to Use Launch X431 SmartLink C as J2534 Passthru Device?

Launch X-431 SmartLink C 2.0 can be used as a local and remote J2534 Passthru device, and work with X431 V+, PRO3S+, PRO3 APEX, PRO3 ACE, and PRO5 for commercial vehicles, passenger vehicles, new energy, and other models diagnosis, remote ECU reprogramming.

Feature 1: Work as a Local J2534 Passthru Device

Working with the PC installed with the OEM diagnostic software to perform the J2534 reprogramming. (need USB cable)

The PC must be installed with the LAUNCH’s J2534 tool, which can be downloaded from www.cnlaunch.com.

Path: Products>> E-commerce product>> X-431 PAD VII Elite>> Download>> Download

You will see “Smartlink J2534.zip”, click “Download” for this option to download LAUNCH J2534 tool directly.

After downloading, you will see Launch J2534.exe and J2534 operation guide_EN.pdf.

Double-click “Launch J2534.exe” to run it, and follow the on-screen prompts to proceed until the installation is completed.

Then the J2534 reprogramming function is ready to start.

 

Start reprogramming:

Follow the illustration below to make connections and settings.

Run the diagnostic software on the PC

If the OEM software prompts you to select the target VCI (Vehicle Communication Interface) device, please choose “Launch J2534” to operate.

If no such prompt pops up, please follow the instructions on the screen to proceed directly.

Note:

When used with the vehicle manufacturer’s programming application, the SmartLink and SmartBox device can work as a J2534 Pass-thru device and as a VCI device to read DTCs, clear DTCs, and read live data, etc.

 

How to update VCI firmware?

Connect the J2534 Pass-thru device to the PC via a USB cable

Double-click the Launch J2534 Tool to run it. The following screen will appear:

Tap “Upgrade”, and the system will start detecting all available newer versions.

If a new version is found, the system will automatically upgrade to the latest version.
Note: Please do not run the diagnostic software of the vehicle manufacturer during the upgrade.

If you come across some problems, please slide the Log switch to ON to record the log file. In this case, you need to run the diagnostic software again.

 

Vehicle Coverage:

The supported vehicle models are decided by

1) whether the vehicle manufacturer’s diagnostic software supports the J2534 protocol;

2) which protocols are covered by the current Launch J2534 tool.
The following tablet is only for reference use and subject to change without prior notice.

Appendix – List of Automaker’s Service Website

 

Feature 2: Work as a Remote J2534 Passthru Device

Working with the PC installed with the OEM diagnostic software to perform the J2534 remote ECU reprogramming function. (need internet)

Make sure the following conditions are met before diagnosis.

  • Connect Launch SmartLink C V2.0 dongle to the Internet which has a strong and stable network signal
  • Install the OEM diagnostic software on the PC
  • Install LAUNCH’s J2534 tool on the PC as well

After SmartLink C is connected to the vehicle’s DLC port and the Internet and switched to the super remote diagnosis mode, perform the remote J2534 reprogramming operation.

Check the Launch J2534 Tool installation and J2534 operation guide in Feature 1.

 

How to activate Launch  SmartLink super remote diagnosis function?

How to Activate Launch SmartLink Remote Diagnosis?

 

Launch X431 SmartLink C Super Remote Diagnosis Module:

https://www.launchx431.fr/wholesale/launch-smartlink-c.html

www.launchx431.fr