Keyless vehicle entry receiver having a diagnostic mode of opera

Details Keyless vehicle entry receiver having a diagnostic mode of opera Keyless vehicle entry receiver having a diagnostic mode of opera

1996-03-08

1997-11-04

Elms, Richard T.

Electrical transmission or interconnection systems

Vehicle mounted systems

Automobile

180287, B60R 2500

Patent

active

056843372

ABSTRACT:
A receiver is presented herein for use in a keyless vehicle entry system for controlling a vehicle device function, such as unlocking a vehicle door, in response to a vehicle function request signal received from a portable transmitter. The receiver includes a controller having a normal mode of operation during which it receives a request signal and determines whether the request signal is valid and, if so, it initiates the vehicle device function. The controller has a diagnostic mode of operation during which it initiates the vehicle device function in response to receiving a request signal without determining whether the request signal is valid. Provision is made for switching between the modes of operation.

REFERENCES:
patent: 4881148 (1989-11-01), Lambropoulos et al.
patent: 5140317 (1992-08-01), Hyatt, Jr. et al.
patent: 5515036 (1996-05-01), Waraksa et al.
patent: 5519376 (1996-05-01), Iijima
patent: 5539260 (1996-07-01), Khangura et al.

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