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Home >> Nissan-Datsun >> 2022 >> Sentra SR >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Drive Mode System (Circuit Diagnosis) >> Circuit Diagnosis >> ECO Mode >> Diagnosis Procedure

Diagnosis Procedure

  1. CHECK DTC IN ECM 

    SYMBOL CONSULT

    Select "Self Diagnostic Results" mode of "ENGINE".

    Are any DTC detected?

    YES

    Check DTC detected item. Refer to DTC Index .

    NO

    GO TO 2.

  2. CHECK DTC IN COMBINATION METER 

    SYMBOL CONSULT

    Select "Self Diagnostic Results" mode of "METER/M&A".

    Is any DTC detected?

    YES

    Check DTC detected item. Refer to DTC Index Combination meter (Type A) or DTC Index Combination meter (Type B).

    NO

    GO TO 3.

  3. CHECK COMBINATION METER 

    SYMBOL CONSULT

    1. Select "Data Monitor" mode of "METER/M&A".
    2. Check that "ECO MODE IND" turns ON/OFF when ECO mode switch is operated. Refer to Values on the Diagnosis Tool Combination meter (Type A) or Values on the Diagnosis Tool Combination meter (Type B).

    Is the inspection result normal?

    YES

    Replace combination meter. Refer to Removal and Installation Combination meter (Type A) or Removal and Installation Combination meter (Type B).

    NO

    GO TO 4.

  4. CHECK ECO MODE SWITCH SYSTEM 

    Check ECO mode switch system. Refer to Component Function Check .

    Is the inspection result normal?

    YES

    Inspection End.

    NO

    Repair or replace malfunctioning components.