9000 Hatchback L4-2290cc 2.3L DOHC Turbo EFI (1994)
Manifold Absolute Pressure Sensor: Description and Operation
PRINCIPLE OF OPERATION, MANIFOLD ABSOLUTE PRESSURE SENSOR
Manifold Absolute Pressure Sensor--contains a ceramic pressure sensitive element, an amplifier and a temperature compensation circuit. It is
connected by means of a short special hose to the intake manifold of the engine after the throttle and is supplied with 5 V from pin 43 and
grounded via pin 67 of the control module.