Nissan Sentra Service Manual: System description
Component parts
Component parts location
Instrument lower finisher
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.
Signal path
- Ecm receives eco mode switch signal (on/off) from combination meter 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 description
- Ecm transmits eco mode indicator signal to combination meter via can communication. Combination meter illuminates eco mode indicator lamp according to the signal.
- For ecm control details, refer to ec-52, "eco mode control : system description".
Fail-safe
If ecm detects a malfunction during eco mode, the eco mode indicator lamp turns off and the control switches to the normal mode control.
Precautions
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- ...
Ecu diagnosis information
Ecm
List of ecu reference
Reference list
...
Other materials:
The oil pressure warning lamp does not turn on
Description
The oil pressure warning lamp stays off when the ignition switch is turned
on.
Diagnosis procedure
1.Check combination meter oil pressure warning light
Select METER/M&A on CONSULT.
Observe oil w/l data monitor while operating the ignition switch.
Is the inspection r ...
P0506 ISC System
Description
The ECM controls the engine idle speed to a specified level through the fine
adjustment of the air, which is let
into the intake manifold, by operating the electric throttle control actuator.
The operating of the throttle valve is
varied to allow for optimum control of the engine ...
Multiport fuel injection system
MULTIPORT FUEL INJECTION SYSTEM : System
Description
SYSTEM DIAGRAM
*1: ECM determines the start signal status by the signals of engine speed and
battery voltage.
*2: M/T models
*3: CVT models
*4: This sensor is not used to control the engine system under normal
conditions.
SYSTEM DES ...
