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6 CHECK HEATED OXYGEN SENSOR 2 (REAR)-I Without CONSULT-II 1. Start engine and drive vehicle at a speed of more than 70 km/h (43 MPH) for 2 consecutive minutes. engine ground. 4. Check the voltage when rewing up to 4,000 rpm under no load at least 10 times. (Depress and release accelerator pedal as soon as possible.) SEF313XA OK or NG OK © GO TO 9. NG © GO TO 7. 7 CHECK HEATED OXYGEN SENSOR 2 (REAR)-II Idle vehicle for 10 minutes, then check voltage between the same terminals as in Test No. 6; or check voltage when coast- CAUTION: Discard any heated oxygen sensor which has been dropped from a height of more than 0.5 m (19.7 in) onto a OK or NG OK © GO TO 9. NG © GO TO 8. 8 REPLACE HEATED OXYGEN SENSOR 2 (REAR) 1. Stop vehicle and turn ignitioin switch OFF. SEF372Z CAUTION: Before installing new oxygen sensor, clean exhaust system threads using Oxygen Sensor Thread Cleaner tool © Replace malfunctioning heated oxygen sensor 2 (rear). GI MA EM LC FE AT TF PD AX SU BR ST RS BT HA SC EL IDX DTC P0137, P0157 HEATED OXYGEN SENSOR 2 (REAR) (BANK 1)/(BANK 2) (MIN. VOLTAGE MONITORING) Diagnostic Procedure (Cont’d) EC-255 |