RAM 1500 Truck 4WD V8-5.2L VIN Y (1997)
Manifold Pressure/Vacuum Sensor: Description and Operation
CIRCUIT OPERATION
Manifold Absolute Pressure Sensor
From the Powertrain Control Module (PCM), circuit K6 supplies 5 Volts to the Manifold Absolute Pressure (MAP) sensor. Circuit K6 connects
to cavity A17 of the PCM.
Circuit K1 delivers the MAP signal to the PCM. Circuit K1 connects to cavity A27 of the PCM.
The PCM provides a ground for the MAP sensor signal (circuit K1) through circuit K4. Circuit K4 connects to cavity A4 of the PCM.