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
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
Eco mode
List of ecu reference
...
Other materials:
Wind deflector
Exploded view
Spring
Wind deflector
Roof panel
Sunshade
Glass lid
Front
Removal and installation
REMOVAL
Open the glass lid.
Release the springs (LH/RH), then remove the wind deflector.
INSTALLATION
Installation is in the reverse order of removal. ...
Clutch fluid
Inspection
FLUID LEAKAGE
Check clutch line for cracks, deterioration or other damage. Replace any
damaged parts.
Check for fluid leakage by fully depressing clutch pedal while engine is
running.
CAUTION:
If leakage occurs around connections, reinstall the lines or replace
damaged ...
SRS Air bag warning lamp does not turn OFF
Diagnosis Procedure
1.CHECK AIR BAG MODULE AND SEAT BELT PRE-TENSIONER
Check the deployment of air bag module.
Is air bag module deployed?
YES >> Replace the malfunctioning parts.
NO >> GO TO 2.
2.CHECK AIR BAG FUSE
Check 10 A fuse [No.3, located in fuse block (J/B)].
Is th ...
