Nissan Sentra Service Manual: Symptom diagnosis

The eco mode indicator lamp does not turn on

Description

The ECO mode indicator lamp does not turn ON when the ECO mode switch is operated.

Diagnosis Procedure

1.Perform combination meter on board diagnosis

Perform combination meter on board diagnosis. Refer to MWI-16, "Description".

Is the check result normal? YES >> GO TO 2.

NO >> Replace combination meter. Refer to MWI-77, "Removal and Installation".

2.Check dtc (tcm)

With consultv

1. Start the engine.
2. Check “self diagnostic results” in “transmission”.

Is any DTC detected? YES >> Check DTC detected item. Refer to TM-126, "DTC Index".

NO >> GO TO 3.

3.Check dtc (ecm)

With consult

Check “self diagnostic results” in “engine”.

Is any dtc detected? Yes >> check dtc detected item. Refer to ec-94, "dtc index".

No >> go to 4.

4.Check dtc (combination meter)

With consult

Check “self diagnostic results” in “meter/m&a”.

Is any dtc detected? Yes >> check dtc detected item. Refer to mwi-26, "dtc index".

No >> go to 5.

5.Check combination meter input/output signal

  With consult

1. Select “data monitor” in “meter/m&a”.
2. Select “eco mode ind”.
3. Check that “ECO MODE IND” turns ON/OFF when ECO mode switch is operated. Refer to MWI-20, "Reference Value".

Is any DTC detected? YES >> Replace combination meter. Refer to MWI-77, "Removal and Installation".

NO >> GO TO 6.

6.Check eco mode switch circuit

Check eco mode switch circuit. Refer to dms-34, "diagnosis procedure".

Is any dtc detected? Yes >> inspection end

No >> repair or replace malfunctioning parts.