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Diagnostic Procedure NBEC0168 1 CHECK HO2S2 (REAR) POWER SUPPLY CIRCUIT 1. Turn ignition switch “OFF”. SEF372Z 3. Disconnect corresponding heated oxygen sensor 2 (rear) harness connector. SEF971Y 4. Turn ignition switch “ON”. SEF314X OK or NG OK © GO TO 3. NG © GO TO 2. 2 DETECT MALFUNCTIONING PART Check the following. I Harness connectors M32, F23 I Fuse block (J/B) connector M10 I 15A fuse I Harness for open or short between heated oxygen sensor 2 (rear) and fuse © Repair harness or connectors. GI MA EM LC FE AT TF PD AX SU BR ST RS BT HA SC EL IDX DTC P0141, P0161 HEATED OXYGEN SENSOR 2 HEATER (REAR) (BANK 1)/ (BANK 2) Diagnostic Procedure EC-291 |