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Nissan Sentra B18 (2020-2025) Service Manual: Symptom Diagnosis. The Eco Mode Indicator Lamp Does Not Turn on

The Eco Mode Indicator Lamp Does Not Turn on

Diagnosis Procedure

Diagnosis Procedure

  1. CHECK ECO MODE OPERATION

    1. Ignition switch ON.

    2. Check ECO mode indicator turns ON/OFF on combination meter when turn ECO mode switch ON/OFF.

    Is the inspection result normal?

    YES >>

    Inspection End.

    NO >>

    GO TO 2.

  2. CHECK DTC IN BCM

    CONSULT

    Select “Self Diagnostic Results” mode of “BCM”.

    Are any DTC detected?

    YES >>

    Check DTC detected item. Refer to DTC Index.

    NO >>

    GO TO 3.

  3. CHECK DTC IN TCM

    CONSULT

    Select “Self Diagnostic Results” mode of “TRANSMISSION”.

    Are any DTC detected?

    YES >>

    Check DTC detected item. Refer to DTC Index.

    NO >>

    GO TO 4.

  4. CEHCK DTC IN ECM

    CONSULT

    Select “Self Diagnostic Results” mode of “ENGINE”.

    Are any DTC detected?

    YES >>

    Check DTC detected item. Refer to DTC Index.

    NO >>

    GO TO 5.

  5. CHECK DTC IN COMBINATION METER

    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 6.

  6. CHECK COMBINATION METER

    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. 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 7.

  7. CHECK ECO MODE SWITCH SYSTEM

    Check ECO mode switch system. Refer to Component Inspection .

    Is the inspection result normal?

    YES >>

    Inspection End.

    NO >>

    Repair or replace malfunctioning component. Refer to Removal and Installation.

    Dtc/circuit Diagnosis
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