Analysis and improvement of PTC heating failure in pure electric vehicle air conditioning
To analyze the causes of non-heating faults in the air conditioning system of electric vehicles,a 4S dealership air conditioning fault case received by a certain car company was used as an example,and commonly-used testing methods and instruments by quality management engineers were used to analyze and diagnose heating components.The results showed that the air conditioning fault was caused by open circuit of the fuse due to software problems.Suggestions for improving the critical value of software control were proposed for troubleshooting.
battery electric vehiclepositive temperature coefficient heatingair conditioning controller
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