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OBD Direct Operations OBD Diagnose
Figure 6-5 Sample communication message
3. Select Continue and a menu of available tests displays (
Figure 6-6).
Figure 6-6 Sample Start Communication menu
4. Select a test to continue.
Readiness Monitors
Use this menu item to check the readiness of the monitoring system. If a monitor system is not
supported, it is not displayed. Scroll, if needed, to view the entire list of monitors. Selecting
Readiness Monitors opens a submenu with two choices:
• Monitors Complete Since DTC Cleared—displays the results of all monitor tests that have run
since the last time the electronic control module (ECM) memory was cleared.
• Monitors Complete This Cycle—displays only the results of monitor tests that ran during the
current drive cycle, they reset when the ignition is switched off.
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