Barometric Pressure Sensor: Description and Operation

ALLDATA Editor Note: Model years 2003 and 2004 clearly show a component called Atmospheric Pressure Sensor (539) on part one of the Trionic Engine management diagrams connecting to pins 42, 8 and 30 of connector A. Model year 2005 shows no such component. Pins 42,8 and 30 of connector 589A (Trioninc Control Module) are blank for model year 2005.