These are the instructions I followed. Not sure why Chrysler makes it so screwed up to do misfire monitoring.........
MISFIRE MONITOR DRIVE CYCLE INSTRUCTIONS
Do not turn off the ignition switch during the test procedure.
All
Onboard System Readiness codes are cleared if the battery is
disconnected or when the Powertrain Control Module (PCM) is cleared with
the scan tool.
This drive cycle can be used to determine if the
Readiness code for this Monitor will run and complete, and if the
Malfunction Indicator Lamp (MIL) will remain off after the vehicle is
driven.
Operating Ranges: Whenever a range of values is
provided, try to operate the vehicle in the middle of the range. For
example, if the vehicle speed range is from 45-65 mph, operate the
vehicle at as close as possible to 55 mph. If the Short Term fuel trim
range is -20% to +20%; try to operate the vehicle near 0%.
Scan
Tool Data: There are certain Parameter Identification (PID) values that
must be within range before this Monitor will "run". It can be helpful
to pull up those PID items on the scan tool so an assistant can view
them during the test.
The Readiness code for this Monitor
defaults to "continuous" or "monitoring" because this Monitor runs
continuously whenever the engine is running.
This information is a representation of a Drive Cycle, and may vary due to software revisions to the PCM.
MISFIRE MONITOR PRETEST CONDITIONS
MIL is off.
No emission related diagnostic trouble codes (DTC's) are present.
Adaptive Numerator "learn" function completed.
Decel Counts Learn from 20 to 65,535.
Disable timer value from -0.50 to +0.50.
Inhibit = -0.50 to +0.50 ('0' = OK)
Miles Force Learn from 4,997 to 65,535 miles.
MIN Start RPM between 448-8,000 RPM.
MIN RPM to Learn between 1,728 and 3,392 rpm.
MIN VSS to Learn between 60 and 100 MPH.
NUM Not Learned between -0.5 to +0.5.
Trips Force Learn between 500 and 65, 535 trips.
MISFIRE MONITOR ENABLING CONDITIONS
None
TEST PROCEDURE
Connect the scan tool to the data link connector (DLC).
Start the engine and allow it to run at idle speed for 1-2 minutes.
Accelerate
at part-throttle to Cruise speed and maintain that speed for several
minutes. Bring the vehicle to a stop, but do not turn off the ignition
key.
Check for any diagnostic trouble codes (DTC's) in memory.
If any DTC's are set, refer to the appropriate trouble code chart to
make the repair. If no DTC's are set, the test is done. Return to the
service bay and turn off the ignition key.
Notes on Misfire Monitor
Decel Counts To Learn:
The number of Full Fuel Shutoff Decel counts required before the PCM begins to monitor for engine misfires.
Disable Timer:
The amount of time (seconds) this Monitor is disabled after startup.
Inhibit OK:
If the Misfire number is XXXXX this number will be other than zero (0).
Miles Forced Learned:
If the vehicle has traveled more than the specified mileage, the PCM will attempt to relearn the Adaptive Numerator value.
MIN Start RPM:
Minimum engine speed before the PCM checks for a misfire.
Numerator Not Learned:
A data bit that indicates the current state of the Adaptive Numerator
Learn function in the PCM ("0" means not learned, "1" means learned).
MIN RPM to Learn:
The required engine speed to achieve before the PCM enters Full Fuel
Shutoff Decel in order to learn the correct Adaptive Numerator value.
MIN VSS to Learn:
The required vehicle speed to achieve before the PCM enters Full Fuel
Shutoff Decel in order to learn the correct Adaptive Numerator value.
Trips Forced Learn:
If the vehicle has had the minimum number of starts (with a Stable Run
Time recorded), the PCM will attempt to relearn the Adaptive Numerator.
Global Disable:
The Monitors on Next Generation Controller (NGC) vehicles can be
"globally" disabled when certain "run" conditions exit. Refer to the
examples below:
New Catalyst Bank 1
New Catalyst Bank 2
Very Low Battery (approximately 7.5v)
High Ethanol (approximately 25-30%)
PTO Engage
Low Fuel (less than 15%)
High Fuel (more than 85%)
High Altitude (above 8,000 ft)
Low Battery (less than 11v)
High Battery (more than 16v)
Low Ambient Temperature (less than 40ºF)
Very Low Ambient Temperature (less than 20ºF)