Method and apparatus for testing an ABS electronic control unit

Details Method and apparatus for testing an ABS electronic control unit Method and apparatus for testing an ABS electronic control unit

1997-05-15

1999-08-24

Butler, Douglas C.

Fluid-pressure and analogous brake systems

Speed-controlled

With failure responsive means

30312201, 30312202, 30312208, B60T 832

Patent

active

059416122

ABSTRACT:
A controller for a hydraulic control system includes a microprocessor having a diagnostic routine. The diagnostic routine is operable to exercise an arithmetic logic unit within the microprocessor to verify that the arithmetic logic unit is functioning properly. Upon detection of a malfunction of the arithmetic logic unit, the diagnostic routine disables the hydraulic control system and generates a warning signal.

REFERENCES:
patent: 3838260 (1974-09-01), Nelson
patent: 4322846 (1982-03-01), Carroll et al.
patent: 4433413 (1984-02-01), Fasang
patent: 5072418 (1991-12-01), Boutaud
patent: 5548713 (1996-08-01), Petry et al.
patent: 5657330 (1997-08-01), Matsumoto

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