FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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B18: Check B+ At O2 Sensor Heater Circuit









Measure the voltage between EM010/023 and EM015/002.

Is the voltage B+?

Yes

Remove link lead and reconnect all connectors.
GO to B19, B19: End

No
Check EMS fuse F14 and that EMS control relay (relay 1) is energized and with all connections made.
GO to B19, B19: End