Nissan Sentra Service Manual: System description
Component parts
Component parts location
![Instrument lower finisher](images/books/349/90/index574.jpg)
Instrument lower finisher
Component description
![](images/books/349/90/index576.jpg)
![Eco mode switch](images/books/349/90/index577.jpg)
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](images/books/349/90/index578.gif)
Eco mode indicator lamp
Design/purpose
The eco mode indicator lamp inform the driver that the vehicle is in
eco mode.
![Bulb check](images/books/349/90/index579.gif)
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](images/books/349/90/index580.jpg)
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:
Ecu diagnosis information
Bcm
Reference value
NOTE:
The Signal Tech II Tool (J-50190) can be used to perform the following
functions. Refer to the Signal Tech II
User Guide for additional information.
Activate and display TPMS transmitter IDs
Display tire pressure reported by the TPMS transmitter
Read TPMS DTC ...
P0128 Thermostat function
DTC Logic
DTC DETECTION LOGIC
NOTE:
If DTC P0128 is displayed with DTC P0300, P0301, P0302, P0303 or P0304,
first perform the trouble
diagnosis for P0300, P0301, P0302, P0303 or P0304. Refer to EC-269, "DTC Logic".
Engine coolant temperature has not risen enough to open the thermost ...
Fuel pressure
Work Procedure
FUEL PRESSURE RELEASE
1.FUEL PRESSURE RELEASE
With CONSULT
Turn ignition switch ON.
Perform “FUEL PRESSURE RELEASE” in “WORK SUPPORT” mode of “ENGINE” using
CONSULT
Start engine.
After engine stalls, crank it two or three times to release ...
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