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Component Description NCEC0153 The heated oxygen sensor 2 (rear) (Rear HO2S), after three way CONSULT-II Reference Value in Data Monitor NCEC0154 Specification data are reference values. MONITOR ITEM CONDITION SPECIFICATION HO2S2 (B1) I Engine: After warming up Revving engine from idle to 3,000 0 - 0.3V +, Approx. 0.6 - 1.0V HO2S2 MNTR LEAN +, RICH ECM Terminals and Reference Value NCEC0155 Specification data are reference values and are measured between each terminal and 48 (ECM ground). TERMI- NAL NO. WIRE COLOR ITEM CONDITION DATA (DC Voltage) 63 L Heated oxygen sensor 2 [Engine is running] I After warming up to normal operating temperature 0 - Approximately 1.0V On Board Diagnosis Logic NCEC0156 The heated oxygen sensor 2 (rear) has a much longer switching DTC No. Malfunction is detected when ... Check Items (Possible Cause) P0138 I The maximum voltage from the sensor does not reach I Harness or connectors I Heated oxygen sensor 2 (rear) I Fuel pressure I Injectors I Intake air leaks SEF327R SEF259V OK NG 1V 0.43V 0V DTC P0138 HEATED OXYGEN SENSOR 2 (REAR) (MAX. VOLTAGE MONITORING) SR20DE Component Description EC-187 |