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Description NCEC0180 SYSTEM DESCRIPTION NCEC0180S01 Sensor Input Signal to ECM ECM func- tion Actuator Camshaft position sensor Engine speed Heated oxy- Heated oxygen sensor 2 (rear) The ECM performs ON/OFF control of the heated oxygen sensor 2 (rear) heater corresponding to the engine OPERATION NCEC0180S02 Engine condition Heated oxygen sensor 2 (rear) heater Engine stopped OFF Engine is running below 3,600 rpm. [After driving for 2 minutes at a speed of 70 km/h (43 MPH) or more] ON CONSULT-II Reference Value in Data Monitor NCEC0181 Specification data are reference values. MONITOR ITEM CONDITION SPECIFICATION HO2S2 HTR (B1) I Engine speed: Below 3,600 rpm [After driving for 2 minutes at a ON I Ignition switch ON (Engine stopped) OFF ECM Terminals and Reference Value NCEC0182 Specification data are reference values and are measured between each terminal and 48 (ECM ground). TER- MINAL NO. WIRE COLOR ITEM CONDITION DATA (DC Voltage) 3 W/R Heated oxygen sensor 2 [Engine is running] I Below 3,600 rpm [After driving for 2 minutes at a Approximately 0.7V [Ignition switch “ON”] I Engine stopped BATTERY VOLTAGE On Board Diagnosis Logic NCEC0183 DTC No. Malfunction is detected when ... Check Items (Possible Cause) P0141 I The current amperage in the heated oxygen sensor 2 I Harness or connectors I Heated oxygen sensor 2 (rear) heater DTC P0141 HEATED OXYGEN SENSOR 2 (REAR) HEATER SR20DE Description EC-207 |