User Manual

LAUNCH X-431 V+ User Manual — Others
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6 FAQ
1. Communication error with vehicle ECU?
Please confirm:
1) Whether the VCI is properly connected.
2) Whether the vehicle ignition switch is ON.
3) If all checks are normal, send vehicle year, make, model and VIN number to
us using Dia. Feedback feature.
2. Failed to enter into vehicle ECU system?
Please confirm:
1) Whether the vehicle is equipped with the system.
2) Whether the VCI is correctly connected.
3) Whether the vehicle ignition switch is ON.
4) If all checks are normal, send vehicle year, make, model and VIN number to
us using Diagnostic Feedback feature.
3. How to save power?
 Please turn off the screen while X-431 V+ keeps idle.
 Set a shorter standby time.
 Decrease the brightness of the screen.
 If WLAN connection is not required, please turn it off.
 Disable GPS function if GPS service is not in use.
4. How to handle when you encounter “Insufficient storage space”?
If this happens while downloading the diagnostic software, please proceed as
follows:
1. Get your X-431 V+ username and password ready. If you forgot the
password, please dial our after-sales support center hotline to retrieve it with
the product Serial Number.
2. Reset the X-431 V+ to the default factory settings (For details, please refer to