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FUEL SYSTEM An indicator that ’Absolute MAP When Fuel Sys Fail’ • Absolute MAP When Fuel Sys Fail — The stored MAP reading at the time of failure. Informs • Absolute MAP — A live reading of engine load to aid the user in accessing the Similar Conditions • RPM When Fuel Sys Fail — The stored RPM reading at the time of failure. Informs the user at • Engine RPM — A live reading of engine RPM to aid the user in accessing the Similar Conditions • Adaptive Memory Factor — The PCM uti- lizes both Short Term Compensation and Long Term • Upstream O2S Volts — A live reading of the Oxygen Sensor to indicate its performance. For • SCW Time in Window (Similar Conditions Window Time in Window) — A timer used by the • Fuel System Good Trip Counter — A Trip Counter used to turn OFF the MIL for Fuel System • Test Done This Trip — Indicates that the monitor has already been run and completed during MISFIRE the misfire occurred when the engine was warmed up • In Similar Misfire Window — An indicator that ’Absolute MAP When Misfire Occurred’ and • Absolute MAP When Misfire Occurred — The stored MAP reading at the time of failure. • Absolute MAP — A live reading of engine load to aid the user in accessing the Similar Conditions • RPM When Misfire Occurred — The stored RPM reading at the time of failure. Informs the user • Engine RPM — A live reading of engine RPM to aid the user in accessing the Similar Conditions • Adaptive Memory Factor — The PCM uti- lizes both Short Term Compensation and Long Term • 200 Rev Counter — Counts 0–100 720 degree cycles. • SCW Cat 200 Rev Counter — Counts when in similar conditions. • SCW FTP 1000 Rev Counter — Counts 0–4 when in similar conditions. • Misfire Good Trip Counter — Counts up to three to turn OFF the MIL. MONITORED SYSTEMS DESCRIPTION There are new electronic circuit monitors that check fuel, emission, engine and ignition perfor- The fuel, engine, ignition and emission systems monitors do not indicate a specific component prob- If any of these monitors detect a problem affecting vehicle emissions, the Malfunction Indicator (Check The following is a list of the monitored systems: • Misfire Monitor • Fuel System Monitor • Evaporative Emissions Monitor and its DTC. Refer to the appropriate Powertrain Diagnos- tics Procedures manual for diagnostic proce- EGR MONITOR The Powertrain Control Module (PCM) performs an on-board diagnostic check of the EGR system. JX EMISSION CONTROL SYSTEMS 25 - 15 DESCRIPTION AND OPERATION (Continued) |