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Vehicle height detecting system

  • US 4,741,206 A
  • Filed: 12/15/1986
  • Issued: 05/03/1988
  • Est. Priority Date: 12/16/1985
  • Status: Expired due to Fees
First Claim
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1. A vehicle height detecting system comprising:

  • (a) a vehicle height sensor including switching circuits which are turned on and off in accordance with height of a vehicle;

    (b) means for outputting a drive signal to the vehicle height sensor and thereby driving the vehicle height sensor;

    (c) means for feeding a present voltage to terminals of the respective switching circuits and outputting voltages at the terminals as vehicle height data having bits corresponding to the respective switching circuits;

    (d) means for, when the driving means suspends the output of the drive signal, reading the vehicle height data as vehicle height sensor malfunction detecting data; and

    ;

    (e) means for comparing the malfunction detecting data with preset reference data and judging the vehicle height sensor to be wrong when the malfunction detecting data differ from the preset reference data.

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