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5 CHECK HEATED OXYGEN SENSOR 1 With CONSULT-II 1. Start engine and warm it up to normal operating temperature. SEF967Y 6. Check the following. I “HO2S1 MNTR (B1)/(B2)” in “DATA MONITOR” mode changes from “RICH” to “LEAN” to “RICH” more than 5 times in SEF647Y I “HO2S1 (B1)/(B2)” voltage goes above 0.6V at least once. I “HO2S1 (B1)/(B2)” voltage goes below 0.3V at least once. I “HO2S1 (B1)/(B2)” voltage never exceeds 1.0V. SEF648Y CAUTION: I Discard any heated oxygen sensor which has been dropped from a height of more than 0.5 m (19.7 in) onto a I Before installing new oxygen sensor, clean exhaust system threads using Oxygen Sensor Thread Cleaner tool OK or NG OK © GO TO 7. NG © Replace malfunctioning heated oxygen sensor 1. GI MA EM LC FE AT AX SU BR ST RS BT HA SC EL IDX DTC P0132, P0152 HO2S1 Diagnostic Procedure (Cont’d) EC-233 |