Disconnect the engine stop relay 4P connector, remove the engine stop relay.
Connect the ohmmeter to the engine stop relay connector terminals.
Connection: Red/white - Black/white.
Connect the 12-V battery to the following engine stop relay connector terminals.
Connection: Red/orange - Black.
There should be continuity only when the 12-V battery is connected.
If there is no continuity when the 12-V battery is connected, replace the engine stop relay.