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wOBD v1.03 Check Engine Documentation
Last updated 12/6/03

Summary

The check engine screen checks for any OBD2 generic diagnostic codes, the status of the MIL (Service Engine Soon) lamp, and displays the status of continuous and non-continuous tests gained from functional mode-1 pid-1. If diagnostic codes are present, the option button to clear the codes is activated.

Continuous and non-continuous test These tests store the results of OBD2 monitoring systems. Continuous tests refer to monitoring systems that are working anytime the engine is running. Other tests that are valid only under certain operating conditions are referred to as non-continuous tests. An example is the Oxygen Sensor Test, valid only when the vehicle has completed it's warm-up cycle and the engine is up to a minumum temperature.

Menu Items

File
	Print Setup		Invokes standard print setup dialog
	Print	Ctrl-P	Prints the screen data
	Exit	Ctrl-Q	Returns to Main Menu
Help
	About		Displays version and copyright info
	Online Help	Ctrl-H	Launch the default browser to display this page via internet

Field Descriptions

Get Engine Data button - will query via OBD2 for information to display

Back to Main Menu button - will close com (if necessary) and return to main menu (same as ctrl-q)

Get Snapshot Data button - if a diagnostic code is present, will display generic OBD2 data recorded when diagnostic code was set. This option is currently not implemented.

Clear MIL/ Reset Data button - if a diagnostic code is present, gives the option to clear the code. Also resets all running data, which may temporarily effect vehicle engine performance until adequate data is gathered by the ECU. After pressing this button, the user is prompted with an 'Are You Sure' question as per SAE recommendations.

wOBD v1.03

Main Menu
Check Engine
Poll Designer
Poll Data
Explorer
Scanner

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