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

Start the engine.
Check вЂњself diagnostic resultsвЂќ in вЂњtransmissionвЂќ.

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

NO >> GO TO 3.

3.Check dtc (ecm)

Check вЂњself diagnostic resultsвЂќ in вЂњengineвЂќ. With consult

Check вЂњself diagnostic resultsвЂќ in вЂњengineвЂќ.

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 вЂњself diagnostic resultsвЂќ in вЂњmeter/m&aвЂќ. With consult

Check вЂњself diagnostic resultsвЂќ in вЂњmeter/m&aвЂќ.

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

Select вЂњdata monitorвЂќ in вЂњmeter/m&aвЂќ.
Select вЂњeco mode indвЂќ.
Check that вЂњECO MODE INDвЂќ 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 ...

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