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Possible Cause NHEC0433 I Heated oxygen sensor 1 (front) I Heated oxygen sensor 1 heater (front) I Fuel pressure I Injectors I Intake air leaks DTC Confirmation Procedure NHEC0098 CAUTION: Always drive vehicle at a safe speed. I Always perform at a temperature above −10°C (14°F). I Before performing following procedure, confirm that bat- SEF649Y SEF650Y SEF651Y WITH CONSULT-II NHEC0098S01 1) Start engine and warm it up to normal operating temperature. 2) Stop engine and wait at least 10 seconds. 3) Turn ignition switch “ON” and select “HO2S1 (B1) P0131” or 4) Touch “START”. 5) Start engine and let it idle for at least 3 minutes. NOTE: When the following conditions are met, “TESTING” will be dis- ENG SPEED 1,200 - 2,600 rpm Vehicle speed 80 - 100 km/h (50 - 62 MPH) B/FUEL SCHDL 3 - 9 msec Selector lever Suitable position If “TESTING” is not displayed after 5 minutes, retry from 7) Make sure that “OK” is displayed after touching “SELF-DIAG If “NG” is displayed, refer to “Diagnostic Procedure”, EC-204. GI MA EM LC FE AT AX SU BR ST RS BT HA SC EL IDX DTC P0131 (BANK 1), P0151 (BANK 2) HO2S1 (FRONT) (LEAN SHIFT MONITORING) Possible Cause EC-203 |