OBD2 Readiness Monitors
An OBD2 Readiness monitor is a self-diagnostic emission monitoring system in a vehicle having a standard OBD2 system (SAE J1979). The Readiness monitor checks whether the emissions control systems (EGR, EVAP, etc) are working correctly. Most modern cars have the Readiness monitor look over up to 11 emission tests to make sure the car’s harmful emission levels are kept low. (as seen in the image below) Most Countries (i.e The United States, Australia, etc) require an annual or biannual vehicle emission inspection for the car to be legally driven on the roads, hence, it is … Read more




