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:
Symptom diagnosis
Audio system
Symptom table
Related to audio
Related to hands-free phone
Before performing diagnosis, confirm that the cellular phone being used
by the customer is compatible with
the vehicle.
It is possible that a malfunction is occurring due to a version change
of the phone ...
Basic inspection
Diagnosis and repair workflow
Work Flow (With GR8-1200 NI)
STARTING SYSTEM DIAGNOSIS WITH GR8-1200 NI
To test the starting system, use the following special service tool:
GR8-1200 NI Multitasking battery and electrical diagnostic station
NOTE:
Refer to the diagnostic station Instruction M ...
Description
NOTICE:
Trouble diagnoses indicate work procedures required to diagnose problems
effectively. Observe the following
instructions before diagnosing.
Before performing trouble diagnoses, read the “Work Flow” in each
section.
After repairs, re-check that the problem has been comp ...