Jdiagtools
JDiag / TopDiag is a diagnostic tool manufacturer based in Shenzhen, China (Longhua District). Under the JDiag brand it makes universal motorcycle diagnostic scanners – handheld M100–M300 and M208 series, the MOTOSYS M10 Bluetooth adapter and the MOTOSYS M400 Android tablets – covering European, Japanese, American, Indian and Chinese motorcycle brands, with built-in battery, injector and relay tests. Under the TopDiag brand it makes OBD2 scanners (T series, M60), TPMS programming tools (PS series), automotive circuit testers (P series), battery testers and jump starters. Products are sold worldwide through the official store jdiagtools.com and distributors.
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Jdiagtools
Brand Overview & Ecosystem
General discussion about the manufacturer as a company — history, market position, product tiers.
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Model Comparison & Selector
Comparing different devices from the same manufacturer to help users choose between them.
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Licensing, Subscriptions & Software Ecosystem
Manufacturer-wide accounts, licenses, subscriptions, and update platforms shared across devices.
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Customer Service, Warranty & Manufacturer Contact
Experiences with support, RMA (Return Merchandise Authorization), warranty, and authorized service centres.
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Authorized Sellers & Authenticity Verification
Where to buy genuine devices and how to spot counterfeits of this brand.
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Cross-Compatibility Within the Brand
Whether accessories or modules from one device work with others in the same lineup.
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Marketplace / buy-sell / spare parts
Buy, sell and spare-parts offers for this device.
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Upcoming Releases, Roadmap & Rumors
Leaks, trade show news, and wishlists for devices not yet in the catalog.
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TopDiag T400
Everything about the TopDiag T400: questions, problems, updates, tips and files.
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TopDiag T300
Everything about the TopDiag T300: questions, problems, updates, tips and files.
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