Full Product Manual

CAUTION - By clearing trouble codes you also clear the
readiness status for the individual emission system
readiness tests. In order to reset these monitors,
the vehicle must be driven through a complete
drive cycle with no trouble codes in memory.
Times for reset vary depending on vehicle.
Some of the latest vehicle models may support
two types of I/M Readiness tests:
1. Since DTCs Cleared - indicates status of the
monitors since the DTCs are erased.
2. This Drive Cycle - indicates status of monitors
since the beginning of the current drive cycle.
An I/M Readiness Status result of “NO” does not necessarily
indicate that the vehicle being tested will fail the state I/M
inspection. For some states, one or more such monitors may
be allowed to be “Not Ready” to pass the Emissions Test.
• “OK” -- Indicates that a particular monitor being
checked has completed its diagnostic testing.
• “INC” -- Indicates that a particular monitor being
checked has not completed its diagnostic testing.
• “N/A” -- The monitor is not supported on that vehicle.
There are two ways to retrieve I/M readiness status:
1. One-Click I/M Readiness Key
By simply pressing the One-Click I/M Readiness Key, you
can retrieve the I/M readiness status. The screen will show
as below. According to different readiness statuses, the color
LEDs will illuminate and different audio tones will be heard.
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