911 Carrera 4 Cabriolet (996) F6-3.4L (1999)
-
ECM-controlled switching on of sensor heater
-
One shunt for each 02-sensor pair upstream and downstream of catalysts: for current measuring
Flow chart of monitoring function (oxygen sensor heater)
-
ECM-controlled switching on of sensor heater
-
One shunt for each 02-sensor pair upstream and downstream of catalysts: for current measuring
Flow chart of monitoring function (oxygen sensor heater)