FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

E16: Check For Short to B+ At O2 Sensor Heater







Remove EMS fuse F14
Disconnect EM010 & EM015
Using a link lead, bridge EM010/016 & EM010/022
Measure the voltage between EM010/023.& EM015/001

Is the voltage 0 (zero) V?

Yes
Replace EMS fuse F14 but retain link lead
Go to E17

No
Inspect connectors EM010, EM015, & EM023 for corrosion, damaged / pushed back pins or repair the harness; reconnect plug(s).
Go to E18