a. The battery output is normal, the instruments, lights and the horn all do not work,
the vehicle has no forward gear, and can only back off, at this time the DC converter
has burned out, and needs to be switched or repaired
b. The battery output is normal, the instruments, lights and the horn all do not work,
but the vehicle can run normally, at this time the DC converter has burned out, and
needs to be switched or repaired ④ The instrument is burned out
a. The instrument does not work (the screen is black), the vehicle can drive normally,
the lights and the horns are normal the instruments are burned out, change the
instrument
b. The instrument works (the screen is on), but there are no gears and electricity
quantity display, there are no vehicle speed when the vehicle is driving, check whether
the VCU functions properly
① Check if the VCU power supply is normal: Since the power of VCU and the burglar
alarm are shared, at this time turn off the electrical door lock, operate with the remote
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