Comprehensive Components MonitorMajor Monitors Non Fuel Control & Non MisfireMajor Monitors Fuel Control & misfire(Includes All Engine Hardware Sensor, Switches, Solenoids, etc.)(Monitors Entire Emission System)(Monitors Entire System)Most are one trip FaultsMost are Two Trips FaultsTwo Trip FaultsUsually Turns on The MIL and Sets DTC After One FailureTurns On The MIL and Sets DTC after Two Consecutive FailureTurns On the MIL and Sets DTC After Two Consecutive FailurePriority 3Priority 1 or 3Priority 2 or 4All Checked For Continuity Done Stop Test = YesFuel Control MonitorOpenOxygen Sensor HeaterMonitors Fuel Control Short To Ground Oxygen Sensor ResponseSystem For:Short To VoltageCatalytic ConverterFuel System LeanInputs Checked For RationalityEfficiency Except EWMAFuel System RichOutputs Checked For FunctionalityUp to 6 test per trip and a one trip fault (SBEC) and two trip fault on (JTEC)Requires 3 Consecutive Fuel System Good Trips to Extinguish the MILEGR SystemMisfire MonitorEvaporative Emission System (purge and leak)Monitors for Engine Misfire At:Non-LDP4 X 1000 RPM Counter (4000 Revs) (Type B)LDP**200 X 3 (600) RPM counter (Type A)Requires 3 Consecutive Global Good Trips to Extinguish the MIL*Requires 3 Consecutive Global Good Trips to Extinguish the MIL*Requires 3 Consecutive Global Good Trips to Extinguish the MIL*40 Warm Up Cycles are required to erase DTCs after the MIL has been extinguished** Type A misfire is a one trip failure on pre-1999, 2 trip failure on 1999 and later. The MIL will illuminate at the first or second failure, based on MY.