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LAUNCH X-431 V V4.0 User Manual
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• Tap to input the VIN manually if the tablet has failed to identify the
VIN of the vehicle.
• Tap to scan the VIN barcode. If the VIN barcode cannot be
recognized, please manually input the VIN.
• Tap to scan the VIN character. If the VIN character cannot be
recognized, please manually input the VIN.
Note: In general, vehicle identification numbers are standardized - all
contain 17 characters. VIN characters may be capital letters A through Z and
numbers 1 through 0; however, the letters I, O and Q are never used in order to
avoid mistakes of misreading. No signs or spaces are allowed in the VIN.
After scanning, the screen automatically displays the result.
• If the VIN scanned is incorrect, tap the result field to modify it and then tap
OK.
• To scan it again, tap REPEAT.
If the VIN exists on the remote server, the system will enter the diagnostic
function selection screen.
5.2 Local Diagnosis
Tap “Local Diagnose” to enter the vehicle selection page. Tap a corresponding
diagnostic software logo, and then follow the on-screen instruction to access the
diagnostic software.
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.
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