W4: Check Continuity MAFM Grounds

Measure the resistance between PI035/005 & in turn
EM012/018
EM012/019

Is the resistance < 0.5 ohms?

Yes
Go to W5

No
Inspect EM012, PI035 & PI001 for corrosion, bent/pushed back pins or locate & repair the harness/splice PIS10 fault. Test the system for normal operation