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:
Steering wheel
Inspection
CONDITION OF INSTALLATION
Check installation condition of power steering gear
assembly, front suspension, front drive shaft and steering
column.
Check if movement exists when steering wheel is moved up and
down, to the left and right and to the axial
direction.
S ...
C1601 Battery power supply
DTC Logic
DTC DETECTION LOGIC
DTC
Display item
Malfunction detected condition
Possible cause
C1601
BATTERY VOLT
When a power supply voltage to the EPS control unit
is maintained at 17.5 V or more or at less than 9 V
continuously for five second or more.
...
Connector symbols
Most of connector symbols in wiring diagrams are shown from the terminal
side.
Connector symbols shown from the terminal side are enclosed by
a single line and followed by the direction mark.
Connector symbols shown from the harness side are enclosed by
a double line and followed by the ...
