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EC-234 < DTC/CIRCUIT DIAGNOSIS > [VQ35DE] P0139, P0159 HO2S2 YES >> INSPECTION END NO >> GO TO 4. 4. CHECK HEATED OXYGEN SENSOR 2-II Check the voltage between ECM harness connector terminals under the following conditions. Is the inspection result normal? YES >> INSPECTION END NO >> GO TO 5. 5. CHECK HEATED OXYGEN SENSOR 2-III Check the voltage between ECM harness connector terminals under the following conditions. Is the inspection result normal? YES >> INSPECTION END NO >> Replace malfunctioning heated oxygen sensor 2. Refer to . ECM Condition Voltage Connector + – Terminal Terminal F8 57 [HO2S2 (bank 1) signal] 59 (Sensor Keeping engine at idle for 10 minutes The voltage should be above 0.68 V at 58 [HO2S2 (bank 2) signal] ECM Condition Voltage Connector + – Terminal Terminal F8 57 [HO2S2 (bank 1) signal] 59 (Sensor Coasting from 80 km/h (50 MPH) with se- The voltage should be above 0.68 V at 58 [HO2S2 (bank 2) signal] |