GLOSSARY
Additional Terminology + Acronyms
47
= Oxygen Sensor Monitor
= Oxygen Sensor Heater Monitor
= Catalyst Monitor
= Heated Catalyst Monitor
= EGR (Exhaust Gas Recirculation) System Monitor
= EVAP System Monitor
= Secondary Air System Monitor
NOTE: The following Monitors became standard beginning in 2010. The majority of
vehicles produced before this time will not support these Monitors.
= NMHC (Non-Methane Hydrocarbon Converting) Catalyst Monitor
= NOx/SCR Aftertreatment Monitor
= Boost Pressure System Monitor
= Exhaust Gas Sensor Monitor
= PM (Particulate Matter) Filter Monitor
Additional Terminology + Acronyms
n ABS = Anti-Lock Brakes
n DLC = Data Link Connector (vehicle’s data port)
n DTC = Diagnostic Trouble Codes
n KOEO = Key On, Engine Off
n KOER = Key On, Engine Running
n MIL = Malfunction Indicator Lamp (Check Engine Light)
n OBD = On Board Diagnostics
n OBD2 / OBD II = On Board Diagnostics, Second Generation
n OEM = Original Equipment Manufacturer
n PID = Parameter Identication Data
n TPMS = Tire Pressure Monitoring System
n TSBs = Technical Service Bulletins