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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:

ECU diagnosis information
TCM Reference Value CONSULT DATA MONITOR STANDARD VALUE NOTE: The following table includes information (items) inapplicable to this vehicle. For information (items) applicable to this vehicle, refer to CONSULT display items. In CONSULT, electric shift timing or lock-up timing, i.e. op ...

P0643 Sensor power supply
Description ECM supplies a voltage of 5.0 V to some of the sensors systematically divided into 2 groups, respectively. Accordingly, when a short circuit develops in a sensor power source, a malfunction may occur simultaneously in the sensors belonging to the same group as the shorted-circui ...

B2268 water temp
Description The engine coolant temperature signal is transmitted from ecm to the combination meter via can communication. Dtc logic Dtc detection logic Dtc Consult Detection condition Probable malfunction location B2268 Water temp meter [b2268] Ecm continuous ...

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