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Code P1000 is nothing , just the codes were cleared or battery was disconnected ,that's all that means . Does the O/D light flash ? P1000 - OBD (On Board Diagnostic) System Readiness Test Not Complete
The OBD monitors are performed during the OBD Drive Cycle. The P1000 will be stored in continuous memory if any of the OBD monitors do not complete their full diagnostic check.
Vehicle is new from the factory
Battery or PCM had recently been disconnected
An OBD monitor failure had occurred before completion of an OBD drive cycle
PCM DTCs have recently been cleared with a scan tool
PTO circuit is shorted to VPWR or B+ or PTO is on during testing
The Ford P1000, inspection/maintenance (I/M) readiness function is part of the PCM strategy. A battery disconnection or clearing codes using a scan tool results in the various I/M readiness bits being set to a "not-ready" condition. As each non-continuous OBD monitor completes a full diagnostic check, the I/M readiness bit associated with that monitor is set to a "ready" condition. This may take 1 or 2 drive cycles based on whether malfunctions are detected or not. The readiness bits for comprehensive component monitoring, misfire and fuel system monitoring are considered complete once all the non-continuous monitors have been evaluated. Because the EVAP system monitor requires certain ambient conditions to run, special logic can "bypass" the monitor for purpose of clearing the EVAP system I/M readiness bit due to continued presence of these extreme conditions. Note: The P1000 does not need to be cleared from the PCM except to pass an I/M test.
Alan, I f you have had battery disconnected or had some one erase codes recently, the computer has to go through what is known as a drive cycle to complete all monitors cycling, some vehicles complete cycle in 10 miles, where as some could take 100 miles or more. My Toyota EVAP readiness state will not cycle in cold weather and takes thousands of miles before it gets to readiness state. I think some shops can force systems to run if they have a good scan tool.
there is a code in the PCM that needs to be checked out. a light the stays on tells you this a flashing light tells you what ever the problem is can cause a running problem possible engine damage and is allowing the emissions to go out of range.
so what are you doing there.
using a scan tool?
my guess, only because you said READ.
this is the scan tolls , display of readiness monitors.
what that means is:"
you pulled the cars battery (or it went dead) and you fail to run car for 20 miles or 30min to clear all readiness monitors (oxy) the EVAP monitor will take longest or if tank full , not run at all until 1/4 lower....
there are DTC you are ignoring, yes, scan it and get them all, and win,, but if DTC errors are set , the oxygen sensor tests will fail to complete.
why not do a full scan, and report all errors. and the status of
ALL readiness monitors.
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