D18: Check For Short to B+

With EM010 & EM012 disconnected, measure the voltage between EM010/023 & EM012/022

Is the voltage 0V?

Yes
Go to D19

No
Inspect connectors EM010, EM012, & EM022 for corrosion, damaged/pushed back pins or repair the harness; reconnect plug(s)
Go to D21