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Home >> Infiniti >> 2018 >> Q70 5.6 Luxe, RWD >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Control System (DTC/Circuit Diagnosis) (5.6L) (3 Of 3) (Except Hybrid) >> DTC/Circuit Diagnosis >> Malfunction Indicator Lamp >> Diagnosis Procedure

Diagnosis Procedure

  1. CHECK DTC 

    Check that DTC UXXXX is not displayed.

    Is the inspection result normal?

    YES

    GO TO 2.

    NO

    Perform trouble diagnosis for DTC UXXXX.

  2. CHECK DTC WITH COMBINATION METER 

    Refer to CONSULT Function .

    Is the inspection result normal?

    YES

    GO TO 3.

    NO

    Perform trouble diagnosis for DTC indicated.

  3. CHECK INTERMITTENT INCIDENT 

    Refer to Intermittent Incident .

    Is the inspection result normal?

    YES

    Replace combination meter. Refer to Removal and Installation .

    NO

    Repair or replace malfunctioning part.

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