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Nissan-Datsun
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2002
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Sentra CA (Clean Air) L4-1.8L (QG18DE)
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Repair and Diagnosis
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Sensors and Switches
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Sensors and Switches - Powertrain Management
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Sensors and Switches - Computers and Control Systems
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Manifold Pressure/Vacuum Sensor
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Description and Operation
Manifold Pressure/Vacuum Sensor: Description and Operation
Component Description
The manifold absolute pressure (MAP) sensor detects intake manifold pressure and sends the voltage signal to the ECM. As the pressure increases, the voltage rises.