STARTING SYSTEM OF FAILURE DIAGNOSIS MEANS

摘要

PROBLEM TO BE SOLVED: To provide at a low cost a starting system of failure diagnosis means which starts the failure diagnosis means of a control part in a control device for working vehicle. SOLUTION: The failure diagnosis means is provided to the control part 3 for controlling equipment 6 connected to an output side based on an input signal, and determines and tells failure of an output system of the control part 3 by outputting a predetermined signal from the control part 3 side. A starting means is provided which automatically starts the failure diagnosis means when an engine start condition is not satisfied.