Read more about ECV Compressor Tool Testing
Many of todays vehicles are now equipped with an ECV Compressor. These compressors do not have a conventional clutch, meaning the compressor shaft turns all the time, even when the air conditioning is off! This sophisticated technology can make it difficult to determine if poor air conditioning performance is being caused by a computer control issue or a refrigeration system issue. This can result in an expensive misdiagnosis and unnecessary compressor replacement.
As HVAC technology evolves, diagnosing poor A/C performance has become increasingly more difficult. Four Seasons® new ECV Compressor Diagnostic Tool puts YOU in direct control of compressor pumping displacement, making diagnosis simple and easy!
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The Four Seasons ECV Compressor driver tool allows you to bypass the computer and to put YOU in direct control of compressor operation. Simply attach the driver tool to the compressor solenoid using the custom pigtails provided and manually exercise the compressor through its full displacement range. If pressures increase, you know the issue is a computer control issue. If the compressor fails to pump, the problem is a compressor or basic system issue. This tool makes compressor diagnosis simple and easy!
*Warning: Failure to monitor the system pressures and temperatures while exercising compressor could result in catastrophic failure.