nissan Workshop Repair Guides

Nissan and Datsun Workshop Service and Repair Manuals

Ambient Temperature Sensor / Switch HVAC > < Potentio Balance Resistor (PBR) <--> [Air Door Position Sensor / Switch, HVAC]|Locations
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Potentio Balance Resistor (PBR): Description and Operation

    The Potentiometer Balance Resistor (P.B.R.) is a variable resistor interlinked to the power servo and the air mix door position (opening) information
is inputted into the automatic amplifier in terms of resistance values. 

Ambient Temperature Sensor / Switch HVAC > < Potentio Balance Resistor (PBR) <--> [Air Door Position Sensor / Switch, HVAC]|Locations