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On Board Diagnosis Logic NCEC0122 To judge the malfunction of heated oxygen sensor 1 (front), this DTC No. Malfunction is detected when ... Check Items (Possible Cause) P0133 I The response of the voltage signal from the sensor takes I Harness or connectors I Heated oxygen sensor 1 (front) I Heated oxygen sensor 1 (front) heater I Fuel pressure I Injectors I Intake air leaks I Exhaust gas leaks I PCV I Mass air flow sensor DTC Confirmation Procedure NCEC0123 CAUTION: Always drive vehicle at a safe speed. I Always perform at a temperature above −10°C (14°F). I Before performing the following procedure, confirm that With CONSULT-II 1) Start engine and warm it up to normal operating temperature. 2) Stop engine and wait at least 9 seconds. 3) Turn ignition switch “ON” and select “HO2S1 (B1) P0133” of 4) Touch “START”. 5) Start engine and let it idle for at least 3.5 minutes. NOTE: When the following conditions are met, “TESTING” will be dis- SEF010V SEF831Y SEF832Y SEF658Y DTC P0133 HEATED OXYGEN SENSOR 1 (FRONT) (RESPONSE MONITORING) SR20DE On Board Diagnosis Logic EC-163 |