Engine off brake booster leak diagnostic systems and methods

Details Engine off brake booster leak diagnostic systems and methods Engine off brake booster leak diagnostic systems and methods

2011-02-01

2011-02-01

McCall, Eric S (Department: 2855)

Measuring and testing

Brake testing

Reexamination Certificate

active

07878053

ABSTRACT:
A control system for evaluating a brake booster system is provided. The control system includes an engine evaluation module that detects an engine off condition. A pressure evaluation module monitors hydraulic brake line pressure and detects changes in brake booster pressure during the engine off condition. A fault reporting module selectively detects a brake booster fault based on the brake line pressure and the changes in brake booster pressure.

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