Patent ID: 8281651
Filing Date: 2012-10-09
Classification: F01M,F02D,F02M,F16N,Y02T

Abstract:
1. A vehicular abnormality diagnosing apparatus that diagnoses an abnormality regarding a connection state of a pair of members that are mounted in a vehicle and connected together, comprising: a detecting portion that outputs a first detection signal when the pair of members are in a normal connected state, and outputs a second detection signal when the pair of members are in a state other than the normal connected state, as an output signal; a counting portion that counts at least one of the number of times that the output signal changes from the first detection signal to the second detection signal and the number of times that the output signal changes from the second detection signal to the first detection signal, as an output signal fluctuation count; and a determining portion that determines that there is an abnormality in the connection state of the pair of members when an abnormality determining condition is satisfied, wherein the abnormality determining condition includes a condition that the output signal fluctuation count during a predetermined period be equal to or greater than a predetermined count.