Patent ID: 9390565
Filing Date: 2016-07-12
CPC Classification: G01M,G07C

Claim Text:
1. A method of diagnosing an actuator controlled valve which is part of a fuel containment and handling system (herein the “containment system”) of an engine with an off board diagnostic tool; the actuator controlled valve having an open and a closed position and a power and control circuit including a power wire and a control wire; the diagnostic tool including an electronic circuit that is used to control the actuator controlled valve by turning it on or off as part of a testing sequence and two wires (herein the “connecting wires”) to connect the electronic circuit to the actuator controlled valve; the method including the steps of: a. connecting one of the two connecting wires to the power wire; b. connecting the other of the two connecting wires to the control wire; c. using the electronic circuit to open the actuator controlled valve as part of a test sequence; and d. using the electronic circuit to close the actuator controlled valve as part of the test sequence.