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LAUNCH X-431 Throttle III User Manual
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10 J2534 Reprogramming Using SmartLink
Flash programming has become a common and profitable procedure in the repair and
service of today’s vehicles. As part of the 21st Century Tune-up, reprogramming is often
the only solution for problems ranging from driveability and loss of power to poor fuel
economy and emissions related issues. SmartLink makes it easy. The SmartLink is a
communication interface designed to support J2534 specifications for ECU
reprogramming.
10.1 As a Local J2534 PassThru Device
Except that the SmartLink acts as a VCI device, it also can be used as a J2534 PassThru
device, working together with the PC installed with the OEM diagnostic software to
perform the J2534 reprogramming. In this case, the PC needs to install with the
LAUNCH's J2534 tool, which can be downloaded from www.cnlaunch.com.
10.2 As a Remote J2534 PassThru Device
Besides local ECU reprogramming, remote ECU reprogramming function is also
supported using SmartLink.
*Note: Before diagnosing, please make sure the following conditions are met:
• The SmartLink device is connected to the Internet and has a strong network signal.
• The OEM diagnostic software has been installed on the PC.
• The LAUNCH's J2534 tool also needs to be installed on the PC. This tool and its associated
operation instruction documentation can be downloaded from www.cnlaunch.com.
Ensure that the remote reprogramming operation is performed after the SmartLink is
connected to the vehicle’s DLC port and the Internet, and has been switched to the super
remote diagnosis mode. For specific operations, please refer to other associated
documentation.