Rough road detection system used in an on-board diagnostic...

Data processing: vehicles – navigation – and relative location – Vehicle control – guidance – operation – or indication – Vehicle diagnosis or maintenance indication

Reexamination Certificate

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Details

C701S001000, C701S029000, C701S034000, C701S035000, C701S071000, C701S072000, C701S073000, C701S074000, C701S075000, C701S076000, C701S077000, C701S080000, C701S011000, C303S121000, C303S122000, C303S122050, C303S147000, C303S148000, C303S149000, C303S150000, C073S114010, C073S114020, C073S114040, C073S114050, C073S114120, C714S025000, C714S026000, C714S100000, C123S406120, C123S406130, C123S406140, C123S406240, C123S406250, C123S406500, C123S406510, C477S106000, C477S182000, C477S183000, C477S184000, C477S

Reexamination Certificate

active

08060275

ABSTRACT:
An on-board diagnostic system of a vehicle comprises disabling diagnostic operation, such as a misfire monitor, based on road roughness. In one example, the disabling of the diagnostic operation is based on brake actuation and degradation of an anti-lock braking system.

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