Operation CHARM
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Mercedes Benz Truck
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2003
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ML 320 (163.154) V6-3.2L (112.942)
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Repair and Diagnosis
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Brakes and Traction Control
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Power Brake Assist
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Description and Operation
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Component and System Operation
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BAS Diaphragm Travel Sensor
BAS Diaphragm Travel Sensor
Location
On the BAS brake booster.
Function
Analog resistance potentiometer with feeler bar to diaphragm plate. A different voltage is effective in the potentiometer depending on the travel of the probe.