LAUNCH X-431 Throttle User Manual30Fig. 5-9• If the VIN scanned is incorrect, tap the result field to modify it and thentap “OK”. If the VIN exists on the remote server, the system will enterthe vehicle information screen. See Fig. 5-5.• To scan it again, tap “REPEAT”.2) Input the VIN, and tap “OK”, the system will automatically identify thevehicle model and directly navigate to the vehicle information page.In general, vehicle identification numbers are standardized - all contain 17characters. VIN characters may be capital letters A through Z and numbers1 through 0; however, the letters I, O and Q are never used in order to avoidmistakes of misreading. No signs or spaces are allowed in the VIN.Tap “SKIP” to go to Diagnostics main menu screen.5.2 Manual DiagnosisIn this mode, you need to execute the menu-driven command and then followthe on-screen instruction to proceed.Take Demo as an example to demonstrate how to diagnose a vehicle.1). Select diagnostic software version: Tap the “DEMO” to go to Step 2. (Note: Ifmore than one version is available on this handset, it will be listed on the screen.)