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:
P0520 EOP System
DTC Logic
DTC DETECTION LOGIC
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P0520
EOP SENSOR/SWITCH
(Engine oil pressure sensor/
switch circuit)
ECM detects the following status continuously
for 5 seconds ...
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 ...
U1000 CAN Comm circuit
DTC Logic
DTC DETECTION LOGIC
DTC
Display Item
Malfunction detected condition
Possible causes
U1000
CAN COMM CIRCUIT
When CAN communication signal is not continuously
received for 2 seconds or more
CAN communication system malfunction
Diagnosis Procedure
...
