EZ500 Diagnosis System
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such as a mechanical system fault. It is also possible that the signal of a system sensor may be
incorrect but still within the ECUs stored limits, this can be verified in Live Data.
4.5. Clear DTCs
4.5.1. Return to the previous step, select
Clear Fault Codes
to clear the current and historical trouble
codes memory in ECU. Performing this function will clear all the current and historical trouble codes.
Please ensure that the trouble codes have been recorded before clearing, shown below:
4.5.2. Click
YES
to confirm the operation, if the communication is normal, it will show “
Trouble Codes
Successfully Cleared
” or “
Trouble Codes Cleared
”. Generally, users will need to re-read trouble codes
after clearing them to confirm that the trouble codes have been cleared.
4.6. Read Live Data
System control units or ECUs send out operating parameters and working status of various
components in the form of an Electronic Signal, here Electronic Signal refers to Live Data. Common
Engine Live Data includes Engine Speed, Throttle Position Sensor Voltage, Oxygen Sensor Voltage,
Coolant Temperature, Spark Advance Angle, Idle Speed Switch State, Intake Air Temperature, Intake
Pressure, etc.