H17: Check For Short to B+

With EM010 and EM012 disconnected, measure the voltage between EM010/023 and EM012/016.

Is the voltage 0 V?

Yes
GO to H18, H18: Check For Short to B+

No
Inspect harness/connectors EM010, EM012 and EM024 for corrosion, damaged/pushed back pins.
Repair as required and reconnect plug(s).
GO to H21, H21: End