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Home >> Volvo >> 2003 >> XC90 Base, FWD >> Repair and Diagnosis >> Engine Performance >> System >> Electronic Modules - Design And Function >> Climate Control Module (2003-2004) >> Diagnostic Functions >> Frozen Values Climate Control Module, Description >> Blower Fan Diagnostic Signal, Value
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Blower Fan Diagnostic Signal, Value

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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