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Home >> Infiniti >> 2014 >> Q50 Base, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P0500 To P2101 (Except Hybrid) >> DTC P1148, P1168: Closed Loop Control >> DTC Description >> DTC Confirmation Procedure

DTC Confirmation Procedure

  1. CHECK DTC PRIORITY 

    If DTC P1148 or P1168 is displayed with DTC for A/F sensor 1, first perform the confirmation procedure (trouble diagnosis) of DTC corresponding to A/F sensor 1.

    Is applicable DTC detected? 

    YES: Perform diagnosis of applicable. Refer to "DTC INDEX ".

    NO: INSPECTION END

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