Parameter Identification (PID)
WARNING: This page is about a different car, the 2002 Mazda 626. However, it is still accessible from the selected car via links, so may be relevant.
PID mode allows access to certain data values, analog and digital inputs and outputs, calculated values, and system status information. There are 2 types of PID lists available. The first is Generic OBD-II PID list. This is a standard set of PIDs that all scan tools can access. The second is a EEC-V specific PID list that can be accessed by using World Diagnostic System (WDS) scan tool. When accessing any PIDs from the specific PID list, the values are continuously updated.