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the monitor run conditions, select the EGR PRE- t, OBD II Monitors Menu. D. 02 SENSOR HEATER MONITOR This monitor is now continuously running once the heaters are energized. Pass information will be t, OBD II Monitors Menu. OBDII Monitor Run Process The following procedure has been established to assist Technicians in the field with enabling and **NOTE** A. Once the monitor run process has begun, do not turn off the ignition. By turning the igni- B. By performing a Battery Disconnect, or Se- lecting Erase DTCs, the CARB Readiness and additional OBD information will be cleared. Monitor Preliminary Checks: 1. Plug a DRBIII into the vehicle’s DLC. 2. Turn the ignition, KEY ON–ENGINE OFF. Watch for MIL lamp illumination during the 3. On the DRB III Select #1 DRB III Standalone. 4. Select #1 1998-2002 Diagnostics 5. Select #1 Engine 6. Select #2 DTCs and Related Functions 7. Select #1 Read DTCs *Verify that No Emissions Related DTCs are 8. Return to Engine Select Function Menu and Select #9, OBD II Monitors. 9. Select #3 CARB Readiness Status. Do all the CARB Readiness Status Locations read *YES, then all monitors have been completed and **NOTE** CARB Readiness Status, need to be completed. B. Specific criteria need to be met for each monitor. Each monitor has a Pre-Test screen to assist in The most efficient order to run the monitors has 2. EVAPORATIVE LEAK DETECTION MONITOR This monitor requires a cold start, usually an overnight soak or parked for at least 8 hours with- 1. Catalyst Monitor The vehicle will need to be driven at highway speed for a few minutes. If the vehicle is equipped th gear may assist in meeting the monitor running criteria. For 2. EGR Monitor The EGR monitor enable conditions are basic. However, it is necessary to maintain the TPS, Map 3. O2 Sensor Monitor The vehicle will need to be driven for a period of time and brought to a stop for a short period of time 4. Purge Monitor All the Purge Free (PF) cells must update on the ADAPTIVE MEMORY screen before the Purge 5 GENERAL INFORMATION |