Vehicle anti-lock brake systems assembly verification system

G - Physics – 01 – L

Patent

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G01L 5/28 (2006.01) G06F 19/00 (2006.01)

Patent

CA 2345080

A process for testing and testing assembly for performing the process for testing an anti-lock brake system (ABS) for a vehicle (101) after installation or work on the ABS without the need to test the vehicle (101) for an ABS design braking event. The process involves engaging a testing unit (160) to the electrical communication network (119) of the vehicle (101) and communicating with the Electronic Control Module (ECM) (111) of the ABS. The vehicle (101) is driven onto motorized rollers (152) that can roll the wheels at low speeds without requiring vehicle movement. The testing unit computer (160) makes a series of queries to the ECM (111) to determine status of various parameters. Additionally, the portable computer (160) is used to make directives to the ECM (111) as far as cycling the ABS modulating valves.

L'invention concerne un procédé et un ensemble destinés à tester un système d'antiblocage de freins (ABS) destiné à un véhicule (101) après l'installation de l'ABS ou des travaux avec ce dispositif, et ce sans avoir à tester le véhicule (101) en rapport avec un événement de freinage pour lequel est conçu l'ABS. Le procédé consiste à connecter une unité de test (160) au réseau de communications électriques (119) du véhicule (101) et à communiquer avec un module électronique de commande (ECM) (111) de l'ABS. On fait avancer le véhicule (101) jusqu'à des cylindres motorisés (152) qui peuvent faire tourner les roues à de faibles vitesses, sans qu'on doive déplacer le véhicule. L'ordinateur (160) de l'unité test envoie une série de demandes au module ECM (111) pour déterminer le statut de divers paramètres. En outre, l'ordinateur portable (160) est utilisé pour envoyer à ECM (111) des instructions en rapport avec le cycle communiqué aux robinets modulants de l'ABS.

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