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
- Start the engine.
- 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
- Select “data monitor” in “meter/m&a”.
- Select “eco mode ind”.
- 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:
Dtc/circuit diagnosis
U1000 can comm circuit
DTC Logic
Dtc detection logic
Consult display
Dtc detection condition
Possible cause
Can comm circuit
[u1000]
Av control unit is not transmitting or receiving
can communication signal for 2 seconds or
more.
CAN communication system.
...
Unit removal and installation
Front suspension member
Exploded View
Upper link
Front suspension member
Member stay
Front
Upper link
Front suspension member
Member stay
Front
Removal and Installation
REMOVAL
Remove the front wheel and tire using power tool. Refer to WT-47,
"Explode ...
Illumination control switch signal circuit
Diagnosis procedure
Regarding wiring diagram information, refer to mwi-28, "wiring diagram".
1.Check combination meter input signal
Turn ignition switch on.
Check voltage between the following terminals of the illumination
control switch.
Is the inspection result normal?
...
