A fault condition characterized by the sensor operating outside the current limiting range of operation in which sensor output current indicates the concentration of {HEAD ~ oxygen} in {TAIL ~ the engine exhaust gas} is diagnosed when a significant signal content is detected at the fixed frequency 
in
A fault condition characterized by the sensor operating outside the current limiting range of operation in which sensor output current indicates the concentration of { HEAD ~ oxygen } in { TAIL ~ the engine exhaust gas } is diagnosed when a significant signal content is detected at the fixed frequency
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH