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Home >> Volvo >> 2004 >> S80 Base, 2.5 59, FWD >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Climate Control Module (CCM) - Specifications & Communication >> Description Of Parameters, Climate Control Module (CCM) (1999-2004) >> Description of parameters >> Blower fan motor power unit, diagnostic signal, value

Blower fan motor power unit, diagnostic signal, value

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