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Ready Test
This function can be used as a convenient readiness test tool by automotive
technicians to determine if the tested vehicle is ready for an emission test.
By visual and audible indication, you will learn a vehicle's monitors readiness.
General Information
Repairs to the emissions-control systems of a 1996 or newer vehicle cause
the vehicle's computer (ECU) memory to be cleared. The vehicle must go
through a drive cycle to allow the ECU to perform a series of tests to ensure
that the repair was successful, and before a state mandated emissions test
can be conducted. But how will you know when it is ready?
With this scan tool, you don't have to drive around endlessly and
continuously coming back to the repair shop for retest if all required tests by
the ECU are completed. And you could also do a quick check of the vehicle
to determine if it is ready to receive an emission test without the hassle of
connecting your vehicle to the analyzer or having to use a complicated scan
tool.
In the following cases, this function is especially useful.
You bought a used car and the check engine light had been cleared to
mask potential problems.
You disconnected the battery for tune-ups and other engine repairs,
dead battery replacement, car radio installation and car alarm
installation.
You used a scan tool to clear the DTCs.
Your car has been sent to repair.
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