| 摘要 |
In a vehicle control computer apparatus, information operation processing is performed by a RISC-type microcomputer so that a storage area necessary in diagnosis is reduced and the number of designing steps of processing program is reduced. Status data within the range "0" to "179" is used for storing a determination status indicating the result of diagnosis. That is, a first normal status is stored as "1", a second normal status as "2" to "38", or "130" to "166", a third normal status as "39", "40", "166" or "168", a temporary normal status as "50", "51", "178" or "179", and an abnormal status as "41". The status is changed by increasing/decreasing the status data, and output control is performed in correspondence with the determination status.
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