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Operations Main Menu
Readiness Monitors
Designated OBD Mode $00, this selection opens a menu of available tests on monitored systems.
Selecting Readiness Status from the main menu opens a submenu with the following options:
• Complete since DTC Cleared
• Enable Status this Cycle
• Complete this Cycle
Select a menu option to open the monitor report.
Figure 6-2
Sample readiness status report
Complete since DTC Cleared
This option compiles a report of monitor activity since the last time codes were cleared from ECM
memory. The report, which typically spans multiple pages, lists all of the system monitors with
either a completed or not completed value. Scroll to view the complete results.
Enable Status this Cycle
This option compiles a report on whether or not monitors were enabled, or allowed to run, during
the current, or most recent, drive cycle. Specific operating conditions must be met before the ECM
allows a monitor to run. Each monitor has a unique set of criteria that enables it to run. The report
lists all of the system monitors with either an enabled or disabled value to show their status.
Complete this Cycle
This option compiles a report of monitor activity during the current, or most recent, drive cycle. The
report, which typically spans multiple pages, lists all of the system monitors with a value that can
read completed, disabled, or not supported. Scroll to view the complete results.
Current Data
Designated OBD Mode $01, this selection displays the current emission related data from the
selected electronic control module (ECM) of the vehicle. Displayed data includes analog inputs
and outputs, digital inputs and outputs, and system status information broadcast on the vehicle
data stream. Each signal becomes a parameter, or a single line of data in the list.
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