F18: Check B+ At O2 Sensor Heater Circuit

With EM010 and EM015 disconnected, measure the voltage between EM010/023 and EM015/002.

Is the voltage B+?

Yes
Remove link lead and reconnect all connectors.

GO to F19, F19: End
No
Check integrity of EMS fuse F14, EMS control relay (relay 1) is energized and all connections made.
GO to F19, F19: End