Sounds simple enough and sometimes I have no problems at all.įor some year Toyotas you can have Techstream (or a similar "advanced" scantool) run a self test on the EVAP system that will complete that monitor. (3) Check the Readiness Monitor status displayed (2) Turn the power switch ON (IG) and turn the (1) Connect the intelligent tester to the DLC3. (1) Turn the power switch OFF and wait for 6 hours.ĭo not start the engine until checking Readiness – Vehicle was driven in an urban area (or on a – The intake air temperature is 4.4 to 35☌ (40 to – The engine coolant temperature is 4.4 to 35☌ – The altitude is less than 8,000 ft (2,450 m). It can take weeks to run or might not run at all in low ambient temperatures. That said, if codes were cleared then just drive the car- EVAP can be difficult to complete. (at least in Jersey)- Every car that's 2001 and newer is allowed to have one monitor incomplete and still pass as long as there are no active codes and MIL is off but functions properly. Start engine, get up to 50mph, (up to 65), maintain minimum for 15minĬlick to expand.If your EVAP monitor is the only thing NOT complete or READY, then you are fine to go back for inspection.Unscrew fuel tank cap to release pressure, screw back on.Intake and coolant temps start between 40F-95F/4.4-35C.Difference between intake and coolant temp must be less than 13F/7C.I looked around here and found one thread that said the procedure was: Sure enough after driving for about 20 minutes everything does tick over to complete. So anyway they gave me another month and I drove around with my OBD reader and Torque up out of curiosity. I'm not sure what their test procedure is, or if they're pulling historical codes.? The same garage passed it 2 years ago so I'm lost there. If a test has been completed, the system status will be reported 'ready.' An uncompleted test will be reported 'not ready.' An OBDII vehicle will not pass the annual inspection unless the required monitors are. Which makes no sense because I don't understand how they just turned the car on, plugged in an ECU reader and expected it to clear everything without driving it. The readiness monitors identify whether the vehicle's computer has completed the required 'tests' while the vehicle is being driven. State inspection was this October and the car failed for just about everything but "Fuel system", "Engine misfire" and "Comprehensive component".
#EVAP SYSTEM MONITOR RESET CODE#
I have no steady check engine code (P1121 intermittent but thats a known story). The 08 Prius had a 12v battery failure over the summer, was replaced, not sure how thorough the Toyota techs were in clearing/resetting everything, or if it matters. Hi all, back again with more niggling issues.
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