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EC-236 < DTC/CIRCUIT DIAGNOSIS > [VQ35DE] P0137, P0157 HO2S2 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 >> GO TO 6. 6. REPLACE HEATED OXYGEN SENSOR 2 Replace malfunctioning heated oxygen sensor 2. Refer to EM-31, "Removal and Installation (LH)" 33, "Removal and Installation (RH)" CAUTION: • Discard any heated oxygen sensor which has been dropped from a height of more than 0.5 m (19.7 in) onto a hard surface such as a concrete floor; use a new one. • Before installing new oxygen sensor, clean exhaust system threads using Oxygen Sensor Thread Cleaner [commercial service tool (J-43897-18 or J-43897-12)] and approved anti-seize lubricant (commercial service tool). >> INSPECTION END ECM Condition Voltage Con- nector + – Terminal Terminal F13 33 [HO2S2 (bank 1) signal] 35 (Sensor Keeping engine at The voltage should be 34 [HO2S2 (bank 2) signal] JMBIA1866ZZ ECM Condition Voltage Con- nector + – Terminal Terminal F13 33 [HO2S2 (bank 1) signal] 35 (Sensor Coasting from 80 km/ The voltage should be 34 [HO2S2 (bank 2) signal] JMBIA1867ZZ |