... s Manual ,no hesitate to contact us! Launch X431 diagun Full: Product Details 1.X-431 Diagun 2. Compact main unit 3. The ... update,universal connectors, make it the first choice for technicians. X-431 Diagun is the standard equipment for technicians. 1. Compact ... 4. Universal 16PIN connector 5. Fully inherited diagnostic functions from X-431. Capable of nearly all domestic vehicle makes and Asian, ...