Nissan Sentra Service Manual: System description
Component parts
Component parts location

Instrument lower finisher
Component description


Eco mode switch
- The ECO mode switch is installed to the instrument lower finisher.
- When the eco mode indicator lamp on the combination meter is
off and the eco mode switch is pressed, the eco mode is
active and the eco mode indicator lamp is on.
- When the ECO mode indicator lamp on the combination meter is
ON and the ECO mode switch is pressed, the ECO mode is cancelled
and the ECO mode indicator lamp is OFF.

Eco mode indicator lamp
Design/purpose
The eco mode indicator lamp inform the driver that the vehicle is in
eco mode.

Bulb check
Not applicable
Signal path
- TCM receives ECO mode switch signal (ON/OFF) from combination meter via
CAN communication. Based
on the signal, TCM transmits ECO mode signal to ECM via CAN communication.
- ECM transmits ECO mode indicator signal to combination meter via CAN
communication. Based on the signal,
combination meter illuminates ECO mode indicator lamp.
Lighting condition
When all of the following conditions are satisfied.
- Ignition switch: on
- The eco mode switch is pressed when the eco mode indicator lamp is off
Shutoff condition
When any of the condition listed below is satisfied.
- Ignition switch: other than on
- The eco mode switch is pressed when the eco mode indicator lamp is on.
- The SPORT mode switch is pressed when the ECO mode indicator lamp is ON.
System
Eco mode control
Eco mode control : system description
System diagram

System discription
- Tcm receive eco mode switch signal (on/off) from combination meter via
can communication. Tcm
transmit eco mode signal to ecm via can communication according to the
signal.
- ECM transmit ECO mode indicator signal to combination meter via CAN
communication. Combination meter
illuminates ECO mode indicator lamp according to the signal.
Each ecu control
- For tcm control, refer to tm-104, "eco mode control : system
description".
- For ECM control, refer to EC-52, "ECO MODE CONTROL : System
Description".
Precaution for supplemental restraint system (srs) "air bag" and "seat
belt pre-tensioner"
The supplemental restraint system such as “air bag” and “seat belt pre- ...
Eco mode
List of ecu reference
...
Other materials:
Passenger side door mirror defogger
Description
Heats the heating wire with the power supply from the rear window defogger
relay to prevent the door mirror
from fogging up.
Component function check
1.Check door mirror defogger rh
Check that the heating wire of door mirror defogger rh is heated when turning
the rear window de ...
Wiring diagram
Warning chime system
Wiring diagram
...
Combination switch
Exploded view
Combination switch
Combination switch harness connector
Front
NOTE:
Shown with the steering wheel removed for clarity only.
Removal and installation
REMOVAL
CAUTION:
Before servicing, turn the ignition switch OFF, disconnect both
battery terminals and wait at l ...
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