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Home >> Volvo >> 2004 >> XC70 >> Repair and Diagnosis (Single Page) >> External Pages >> Different car >> Section 9 (Alarm System, Control Modules, Engine Management Systems - Design And Function) >> Climate Control Module (2001-2004) >> Diagnostic functions >> Frozen values climate control module, description >> Blower fan diagnostic signal, value
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Blower fan diagnostic signal, value

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Measurement range: 0-5 V

The climate control module generates an analog signal. This is converted to a current which the power unit converts back to an analog signal. The diagnostic signal is an extremely intense signal that cannot be used when checking the blower fan.

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