Nissan Sentra manuals

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)

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:

Component parts
Engine control system ENGINE CONTROL SYSTEM :Component Parts Location Engine room compartment No. Component Function 1 IPDM E/R IPDM E/R control the internal relays and the actuators. When CAN communication with ECM is impossible, IPDM E/R performs fail-sa ...

Symptom diagnosis
Squeak and rattle trouble diagnoses Work Flow CUSTOMER INTERVIEW Interview the customer if possible, to determine the conditions that exist when the noise occurs. Use the Diagnostic Worksheet during the interview to document the facts and conditions when the noise occurs and any custome ...

Clutch fluid
Inspection FLUID LEAKAGE Check clutch line for cracks, deterioration or other damage. Replace any damaged parts. Check for fluid leakage by fully depressing clutch pedal while engine is running. CAUTION: If leakage occurs around connections, reinstall the lines or replace damaged ...

© 2014-2025 Copyright www.nisentra.com