Getting started – AEM 30-3903 Infinity Plug & Play Harnesses - Volkswagen 2002-2005 MKIV Golf/Jetta 1.8T User Manual
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Important Application Notes
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© 2014 AEM Performance Electronics
Getting Started
Your Infinity EMS will be packaged with four important documents: Usage Legality Disclaimer, Software Download
Notice, Security Code Notice, and an Infinity Quick Start Guide.
First, read and acknowledge the Usage Legality Disclaimer. Second, refer to the Infinity Quick Start Guide (QSG).
Third, follow the Software Download Notice and download the Infinity Tuner software, wizards, and drivers from the
AEM Electronics web site (section 2.1 in QSG). Fourth, visit
to register your EMS (section
3.2 in QSG). Once the registration process is complete, you'll be able to download the latest firmware for your
EMS. The final setup process is to open the Infinity Tuner software and connect to your EMS to update the
firmware (section 3.3 in QSG). This can be done once the EMS is installed into your vehicle - see Infinity EMS
Installation.
Once the Infinity is installed into your vehicle and it has been loaded with the latest firmware, setup and tuning may
commence. Refer to the QSG for additional information on getting the engine ready for tuning with the Infinity
EMS. Additionally, the full Infinity User Manual can be referenced for more in-depth information pertaining to the
install, setup, and usage of the Infinity EMS.