Method for calibrating a motor vehicle hands-free access system comprising
a control unit (UC) with an emitting antenna (AE) and an antenna controller (PA),
consists in:
- 1. sending to the control unit (UC), from a measurement apparatus (AM)
equipped with a receiving antenna (AR) connected to the control unit (UC) via a
wire link (LF), a message to configure the control unit (UC) in calibration mode,
- 2. transmitting a signal via said emitting and receiving antennas (AE,
AR) to said measurement apparatus (AM),
- 3. measuring characteristics of the received signal, comparing them
with reference values and sending calibration data via the wire link (LF),
- 4. on receipt of the data, modifying the parameters of the antenna controller
(PA). Using this method, it is possible to correct certain operating defects of
the hands-free access systems through an operation at the end of the motor vehicle
assembly line.
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