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Home >> Mercedes Benz >> 2000 >> ML430 >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Climate Control -- 163 Chassis >> Basic Knowledge >> Rear blower motor, function - GF83.10-P-2168-01GI

Rear blower motor, function - GF83.10-P-2168-01GI

Function 

The rear blower motor (M2/1) is actuated using the blower button (BLOWER BUTTON ) on the rear ventilation control panel (N72/2s3).

Pressing the blower button (BLOWER BUTTON ) passes a control voltage to the rear blower motor (M2/1) via the electronic rear ventilation blower regulator (N29/2). This facilitates blower speed control of 0-100 %.

Automatic mode function 

Pressing the Auto button (AUTO BUTTON ) on the rear ventilation control panel (N72/2s3) causes the rear blower motor to be regulated by the AAC push-button control module (N22).