What is an OBD II Drive Cycle?
OBD drive cycle. The purpose of the OBD2 drive cycle is to let your car run on-board diagnostics. This, in turn, allows the readiness monitors to operate. And detect potential malfunctions of your car’s emission system. The correct drive cycle for your car can vary greatly depending on the car model and manufacturer.
What happens when your car is not ready for an OBD test?
The status of the emission systems may also be reset by disconnecting the battery. After being reset, the emission systems on your vehicle will have a “not ready” status.
What’s the difference between OBD 1 and OBD 2?
Instead of doing a tailpipe emissions check on a dynamometer, an OBD II check is a simple plug-in test that takes only seconds. What’s more, OBD II will detect emissions problems that might not cause a vehicle to fail a tailpipe test – which means emissions test failures under the OBD II test programs are expected to be significantly higher.
What should I do if my OBD 2 light is on?
If the OBD II light is on, or a vehicle has failed an OBD II emissions test, your first job is to verify the problem. That means plugging into the OBD II system, pulling out any stored codes and looking at any system data that might help you nail down what’s causing the problem.
How long does it take for an OBDII test to pass?
The good news is that if the vehicle has completed testing its emissions systems since the last time the battery was disconnected or the trouble codes reset, the test takes only seconds to pass. The bad news is if it hasn’t completed them the vehicle may not be passed.
The status of the emission systems may also be reset by disconnecting the battery. After being reset, the emission systems on your vehicle will have a “not ready” status.
What does completion status on OBD2 readiness monitor mean?
Readiness monitor test result yields the monitor status. Each readiness monitor will have its own output status. The completion status can be: Complete or ready meaning that the test has been completed. It means that the OBD-II system has checked this emissions control system and it has passed the test.
What do you need to pass the OBD test?
To pass an OBD-II emissions test, a vehicle must: Have a functional ‘Check Engine’ light and OBD port. The ‘Check Engine’ light must be off. Successfully complete the OBD-II system monitors that are built-in to the vehicle.
Why did my Hyundai fail an OBD inspection?
My 2008 Hyundai failed inspection because the OBD-II system is in a “not ready” state. The mechanic asked if my battery had died recently. It had, after getting an alignment. He suggested driving on the highway for 60 miles or so.