Operation

• System halts when reading the data stream. What is the reason?
  It may be caused by a slackened connector. Please turn off the scanner, firmly connect the connector, and switch it on again.
• Screen of the main unit flashes at engine ignition start.
  Caused by electromagnetic disturbing, and this is a normal phenomenon.
• There is no response when communicating with the on-board computer.
  Please confirm the proper voltage of the power supply and check if the throttle has been closed, the transmission is in the neutral position, or the water is in proper temperature.
• Why are there so many fault codes?
  Usually, it's caused by a poor connection or fault circuit grounding.
• Why the DTCs cannot be erased?

  1.Please confirm the malfunction related to DTCs has been properly fixed.

  2.Please switch the ignition OFF. Wait for 1~3 minutes, then start the vehicle. After that, try to run "Read Codes" again. (Some DTCs can only be erased in this way.)