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SEF327R Heated Oxygen Sensor 2 (Rear) (P0140: Bank COMPONENT DESCRIPTION The heated oxygen sensor 2 (rear), after three way catalyst, moni- CONSULT-II REFERENCE VALUE IN DATA MONITOR MODE Specification data are reference values. MONITOR ITEM CONDITION SPECIFICATION HO2S2 (B1) I Engine: After warming up Revving engine from idle up to 2,000 0 - 0.3V ) 0.6 - 1.0V HO2S2 MNTR (B1) LEAN ) RICH ECM TERMINALS AND REFERENCE VALUE Specification data are reference values, and are measured between each terminal and ground. CAUTION: Do not use ECM ground terminals when measuring voltage. Doing so may result in damage to the TER- MINAL NO. WIRE COLOR ITEM CONDITION DATA (DC voltage) 89 (B2) W Heated oxygen sensor 2 Engine is running. After warming up to normal operating tempera- 0 - Approximately 1.0V 90 (B1) Y SEF305UA ON BOARD DIAGNOSIS LOGIC The heated oxygen sensor 2 (rear) has a much longer switching GI MA EM LC FE AT PD FA RA BR ST RS BT HA EL IDX TROUBLE DIAGNOSIS FOR DTC P0140 (B1), P0160 (B2) EC-233 |