Unlocking the secure gateway on modern Nissan vehicles in North America requires AutoAuth registration and a compatible Topdon diagnostic tool. This guide, based on Topdon’s official demonstration, covers the complete process using the Topdon Phoenix Series, ArtiDiag Series (ad700, ad800, ad900 etc), and TopScan Series. The workflow is nearly identical across tools, with minor interface differences.
Prerequisites:
Before connecting your tool to the vehicle, ensure you have met all the following requirements. Missing any one of these can prevent a successful unlock.
- Regional Specifics: This process is specifically for Nissan vehicles in the North American market (US, Canada, Mexico). The steps may differ in other regions.
- Tool Registration: You must register your specific Topdon tool’s serial number on the official AutoAuth website.
- Dual Subscriptions: Two active subscriptions are required: 1). An AutoAuth Annual Subscription. 2). A separate Nissan (Vehicle Manufacturer) Subscription.
- Stable Internet Connection: A strong and stable internet connection is crucial throughout the entire AutoAuth process.
- Fully Updated Tool: Fully update the tool’s operating system, firmware, and Nissan software. An outdated tool or an expired subscription will fail to unlock the gateway.
Register Nissan Autoauth for Topdon, check Nissan SGW vehicle list in the previous post here:
How to Unlock NISSAN AutoAuth SGW Gateway by TOPDON Diagnostic Tool?
How to use US Autoauth on Nissan for Topdon Phoenix Series, ArtiDiag Series, and TopScan series?
The Unlocking Process Across Topdon Tools
While the specific screens may vary slightly, the core workflow is consistent across the Topdon product line. The general steps are: update your tool, connect to the vehicle, identify the VIN, and log in to AutoAuth to unlock the gateway.
Topdon Phoenix Series Nissan Autoauth Unlock Process
Phoenix Series – e.g., Phoenix Max / Smart
Check for updates in the Settings menu under “About.” Remember, for some models like the Phoenix Max and Phoenix Smart, the dongle (MDCI) must be updated separately from the tablet.
Launch the “Autoscan” function.
The Phoenix tool will identify the Vehicle Identification Number (VIN). Confirm the details.
Hit Scan.
A prompt will appear asking to unlock the secure gateway. Select “Yes.”
Topdon will verify your software and display a login screen. Ensure the region is set to “North America.”
Enter your AutoAuth username and password. The screen will display your tool’s serial number and the vehicle’s VIN for verification.
Click “Unlocking.” Once successful, you can proceed with your diagnostics.
Topdon Artidiag Series Nissan Autoauth Unlock Process
Navigate to the “About” section and perform a “Check for Updates.” Also, verify there are no firmware updates for the dongle and no Nissan-specific software updates pending.
Enter the “Diagnostics” menu and use the “Auto VIN” function to identify the vehicle.
Confirm the VIN when prompted.
The tool will immediately prompt for an AutoAuth unlock. Crucially, you may need to toggle the region from “Europe” to “North America” on the following screen.
Enter your AutoAuth credentials and hit “Unlock.” After a successful handshake with the server, the gateway will be unlocked.
Topdon Topscan Nissan Autoauth Unlock Process
Ensure the tool is connected to the internet and has the latest Nissan software versions installed.
Select the Nissan software and choose “Automatic ID” to read the VIN.
Confirm the VIN and vehicle details.
The “AutoAuth Access” screen will appear, showing the gateway is locked.
Hit “Next” until you reach the login screen. At the top, ensure “North America” is selected from the region toggle.
Verify that the VIN and your TopScan Pro’s serial number are correct.
Enter your username and password and click “Unlock.” The tool will communicate with the server and unlock the gateway.
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