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:
Power steering
WARNING
If the engine is not running or is turned
off while driving, the power assist for
the steering will not work. Steering will
be harder to operate.
When the power steering warning light
illuminates with the engine running,
there will be no power assist for th ...
Standardized relay
Description
Normal open, normal closed and mixed type relays
Relays can mainly be divided into three types: normal open, normal closed and
mixed type relays.
Type of standardized relays
...
Parking lamp circuit
Description
The ipdm e/r (intelligent power distribution module engine room) controls the
tail lamp relay based on inputs
from the bcm over the can communication lines. When the tail lamp relay is
energized, power flows through
fuse 36, located in the ipdm e/r. Power then flows to the front ...
