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4 CHECK HEATED OXYGEN SENSOR HEATER 1 (FRONT) 1. Stop engine. SEF505Y 3. Disconnect HO2S1 harness connector. SEF969Y 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 (With CONSULT-II) © GO TO 5. OK (Without CONSULT- © GO TO 6. NG © GO TO 7. GI MA EM LC FE AT TF PD AX SU BR ST RS BT HA SC EL IDX DTC P0131, P0151 HEATED OXYGEN SENSOR 1 (FRONT) (BANK 1)/(BANK 2) (LEAN SHIFT MONITORING) Diagnostic Procedure (Cont’d) EC-207 |