Parameter Identification Mode: Description
WARNING: This page is about a different car, the 2002 Mazda MPV. However, it is still accessible from the selected car via links, so may be relevant.
PID/DATA MONITOR & RECORD mode allows access to certain data values, analog and digital inputs and outputs, calculated values, and system status information. There is a specific PID list that can be accessed by using scan tool. PID values are continuously updated when accessing PIDs.