4 wire map sensor wiring diagram

3 & 4 Pin MAP Sensor Wiring Diagram Easy Car Electrics. A 4 wire manifold absolute pressure sensor has a 5-volt reference voltage, which is connected to the car computer (ECU). A reference voltage means the ECU provides the voltage to the sensor. The ground wire also goes to the car ECU. The MAP Signal Wire goes to the car ECU. The signal wire means the MAP sensor sends the Output Voltage to the ECU.

3 & 4 Pin MAP Sensor Wiring Diagram Easy Car Electrics
3 & 4 Pin MAP Sensor Wiring Diagram Easy Car Electrics from cimg6.ibsrv.net

MAF Signal. A 4-wire mass air flow sensor has a 12-volt positive power source, which is connected to the fuse box’s fuse and relay. The MAF Signal Wire goes to the car ECU..

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