Nissan Sentra Service Manual: System description

Nissan Sentra Service Manual / Cruise control & driver assistance / Drive mode system / Eco mode (cvt) / System description

Component parts

Component parts location

Instrument lower finisher

Component description Instrument lower finisher

Component description

Eco mode switch

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

Eco mode indicator lamp

Design/purpose

The eco mode indicator lamp inform the driver that the vehicle is in eco mode.

Bulb check

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

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".

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