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Software Documentation - v1.40
wOBD Check Engine Screen
Last updated August 27, 2004
Summary
Menu Items
Field Descriptions
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.
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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.
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