nissan Workshop Repair Guides

Nissan and Datsun Workshop Service and Repair Manuals

Solar Sensor, HVAC > < Sunlight Sensor (Photo Diode)|Page 4558
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Vacuum Sensor / Switch HVAC: Description and Operation

VACUUM SWITCH 

Vacuum Switch Operation

This switch, attached to the vacuum tank, operates the vacuum pump when the vacuum in the tank is low. 

Solar Sensor, HVAC > < Sunlight Sensor (Photo Diode)|Page 4558