The application discloses a kind of detecting instrument black
screen method,
system, equipment and storage medium, the method includes: in set time period, key operation is carried out, whether the
liquid crystal display screen in automobile
liquid crystal instrument appears black screen based on
color sensor detection;When detecting that the
liquid crystal display screen appears black screen, stop in current
power cycle by
relay;Based on current
power cycle, black screen analysis is carried out to automobile liquid
crystal instrument.In prior art, black screen detection is not carried out to automobile liquid
crystal instrument in
electronic control unit development stage, and the application detects whether the
liquid crystal display screen in automobile liquid
crystal instrument appears abnormal based on
color sensor, to improve the accuracy of black screen detection, then when detecting that the
liquid crystal display screen appears abnormal, stop in current
power cycle by
relay, finally, based on current power cycle, black screen analysis is carried out to automobile liquid crystal instrument, to ensure the effectiveness and stability of analysis and modification.