Operation Manual

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Figure 3.50: OBD II-Freeze Frame Screen
6. I/M Readiness
I/M Readiness function is used to check the operations of the emission
systems. It is an excellent function to use prior to having a vehicle inspected
for compliance to a state emissions program.
Some latest vehicle models may support two types of I/M Readiness tests:
A. Since DTCs Cleared - indicates status of monitors since the DTCs are
erased.
B. This Drive Cycle - indicates status of monitors since the beginning of
the current drive cycle.
Figure 3.51: OBD II-I/M Readiness Screen
7. O2 Mon. Test
The O2 Monitor Test function allows retrieval and viewing of O2 sensor
monitor test results for the most recently performed tests from the vehicle's
on-board computer.