What does the OBD readiness monitor status mean?
If all of the vehicle’s equipped readiness monitors are ‘ready’ or ‘complete’, the check engine light bulb is working properly, the check engine light is not on, and there is communication at the OBD connection port, the vehicle will pass state mandated emissions or smog tests.
What causes OBD readiness failure in New Jersey?
OBD readiness failures can occur for various reasons: • Battery was replaced within the last month. • Vehicle won’t start because of a bad battery or alternator. • Repairs were made on the vehicle within the last month. • “Check Engine” light was turned off in an attempt to pass inspection.
When does a vehicle stop supporting readiness monitor?
The vehicle doesn’t support readiness monitors for this drive cycle. Clearing the diagnostic trouble codes (DTCs) and the Check Engine Light will reset the monitor statuses too. This typically occurs during or after vehicle repair. Statuses are also reset in case of power failure. This usually happens when the battery has been disconnected.
What does on board diagnostics ( OBD ) mean?
On-Board Diagnostics (OBD) – introduction to the Modes of Operation (Diagnostic Services) The vast majority of vehicles in use nowdays are OBD compliant, which means that they have on-board monitoring functions for the systems and components whose functionality has an impact on exhaust gas toxic emissions levels.
If all of the vehicle’s equipped readiness monitors are ‘ready’ or ‘complete’, the check engine light bulb is working properly, the check engine light is not on, and there is communication at the OBD connection port, the vehicle will pass state mandated emissions or smog tests.
When does a readiness monitor need to be rerun?
Monitor completion is also dependent on properly functioning components, so a vehicle may never complete a monitor until a thorough diagnosis and repair of components enabling the monitor to run is performed. Readiness monitors must be rerun after a repair activity like disconnecting a vehicle’s battery or replacing a defective emissions component.
OBD readiness failures can occur for various reasons: • Battery was replaced within the last month. • Vehicle won’t start because of a bad battery or alternator. • Repairs were made on the vehicle within the last month. • “Check Engine” light was turned off in an attempt to pass inspection.
The vehicle doesn’t support readiness monitors for this drive cycle. Clearing the diagnostic trouble codes (DTCs) and the Check Engine Light will reset the monitor statuses too. This typically occurs during or after vehicle repair. Statuses are also reset in case of power failure. This usually happens when the battery has been disconnected.