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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) (3.7L) (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

    Repair or replace.

  3. CHECK INTERMITTENT INCIDENT 

    Refer to Intermittent Incident .

    Is the inspection result normal?

    YES

    Replace combination meter. Refer to Exploded View .

    NO

    Repair or replace.

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