Heavy Duty & OBDII Diagnostic Tool HD V3.0
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and retrieve codes again. If there are still some trouble codes in the system,
please troubleshoot the code using a factory diagnosis guide, then clear the
code and recheck.
5.2.3 I/M Readiness
I/M refers to Inspection and Maintenance that is legislated by the
Government to meet federal clean-air standards. I/M Readiness indicates
whether or not the various emissions-related systems on the vehicle are
operating properly and are ready for Inspection and Maintenance testing.
The purpose of the I/M Readiness Monitor Status is to indicate which of
the vehicle‟s Monitors have run and completed their diagnosis and testing,
and which ones have not yet run and completed testing and diagnosis of their
designated sections of the vehicle‟s emissions system.
The I/M Readiness Monitor Status function also can be used (after repair
of a fault has been performed) to confirm that the repair has been performed
correctly, and / or to check for Monitor Run Status.
Note: N/A means not available on this vehicle; INC means incomplete or not
ready and OK means completed or Monitor ok.
5.2.4 Live Data
This item enables you to view all data stream items and the live
waveform of all selected items.
5.2.5 View Freeze Frame
When an emission-related fault occurs, certain vehicle conditions are
recorded by the on-board computer. This information is referred to as freeze
frame data. Freeze Data is a snapshot of the operating conditions at the time
of an emission-related fault.
Note: If DTCs were erased, Freeze Data may not be stored in vehicle
memory depending on vehicle.
5.2.6 Oxygen sensor test
The results of oxygen sensor test are not live values but instead the
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