Nissan Sentra manuals

Nissan Sentra Service Manual: Symptom diagnosis

Nissan Sentra Service Manual / Cruise control & driver assistance / Drive mode system / Eco mode (cvt) / 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)

Check “self diagnostic results” in “engine”. 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)

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

Dtc/circuit diagnosis
Eco mode switch Component function check 1. Check eco mode switch operation Turn ignition switch ON. Check ECO mode indicator lamp turns ON/OFF on combination meter when turn ECO mode swit ...

Removal and installation
Eco mode switch Removal and installation Removal Remove instrument lower panel LH. Refer to IP-21, "Removal and Installation". Remove ECO mode switch. Installation Installatio ...

Other materials:

Idle air volume learning
Description Idle Air Volume Learning is a function of ECM to learn the idle air volume that keeps each engine idle speed within the specific range. It must be performed under any of the following conditions: Each time electric throttle control actuator or ECM is replaced. Idle speed or i ...

Service data and specifications (sds)
Periodical Maintenance Specification ENGINE COOLANT CAPACITY (APPROXIMATE) Radiator Thermostat Water Control Valve ...

Washer motor circuit
Diagnosis Procedure Regarding Wiring Diagram information, refer to WW-24, "Wiring Diagram - With Intelligent Key" or WW-29, "Wiring Diagram - Without Intelligent Key". 1. Check front washer motor fuse Turn the ignition switch OFF. Check that the following fuse is not b ...

© 2014-2025 Copyright www.nisentra.com