◼ Read Trouble Code
Read trouble codes stored in ECU.
Figure 4-9 Sample of Read DTC
*Tip: In the process of diagnosis, if the device shows “System
is OK” or “No Trouble Code”, it means there is no related
trouble code stored in ECU or some troubles are not under the
control of ECU, most of these troubles are mechanical system
troubles or executive circuit troubles, it is also possible that
signal of the sensor may bias within limits, which can be judged
in Live Data.
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