B15: Check For Short to B+

Ignition switch to position 0
Disconnect EM010
Inside ECM housing
Disconnect EM012
Inside ECM housing
Ignition switch to position II
Measure the voltage between EM010/023 and EM012/015.

Is the voltage 0 (zero) V?

Yes
GO to B16, B16: Check For Short to B+

No
Inspect harness/connectors EM010, EM012 and EM021 for corrosion, damaged/pushed back pins. Repair as necessary and reconnect plug(s).
GO to B19, B19: End