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Indicator and method of indicating trouble

  • US 4,977,389 A
  • Filed: 07/06/1988
  • Issued: 12/11/1990
  • Est. Priority Date: 05/08/1984
  • Status: Expired due to Term
First Claim
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1. In an automotive vehicle having a plurality of indicator lights each having on and off indicating statuses for indicating operating states of a predetermined system installed in the automotive vehicle, a method of indicating fault conditions in a plurality of different components installed in the automotive vehicle utilizing the plurality of indicators of the predetermined system, the method comprising the steps of:

  • assigning a predetermined identifying number to each of the components,providing condition signals representing the operating states of the components,producing coded signals from the condition signals representing a fault or a no-fault condition of each of the components according to the code used for generating the coded signals, andsupplying said coded signals to the plurality of indicator lights to actuate the plurality of indicator lights in combination according to the code such that the on and off statuses of the indicator lights indicate in a coded form the number of a component in a fault or a no-fault condition.

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