Nissan Sentra B18 (2020-2025) Service Manual: Operation

Nissan Sentra B18 (2020-2025) Service Manual / Engine / Engine Control System :: Mr20dd / System Description / Operation

Automatic Speed Control Device (ascd)

Switch Name and Function

Switch Name and Function

SWITCHES AND INDICATORS

On the combination meter

On the steering wheel

ASCD indicator

CANCEL switch

RES + switch

(RESUME/ACCELERATE)

SET - switch

(SET/COAST)

MAIN switch

SET SPEED RANGE

ASCD system can be set the following Nissan Sentra vehicle speed.

Minimum speed (Approx.)	Maximum speed (Approx.)
40 km/h (25 MPH)	144 km/h (89 MPH)

SWITCH OPERATION

Item	Function
CANCEL switch	Cancels the cruise control driving.
RES − switch	Resumes the set speed. Increases speed incrementally during cruise control driving.
SET + switch	Sets desired cruise speed. Decreases speed incrementally during cruise control driving.
MAIN switch	Master switch to activate the ASCD system.

Refer to System Description for ASCD operating instructions.

Idle Start/stop System

Switch Name and Function

Switch Name and Function

SWITCHES AND INDICATORS

1.	Start/Stop indicator	2.	Start/Stop OFF switch
A.	On the information display	B.	Lower instrument panel (driver side)

SYSTEM CONTROL CONDITION DISPLAY

Start/Stop Indicator Status (Information Display)

System condition		Nissan Sentra Vehicle condition	Warning chime	Start/Stop indicator
Operate		Normal	—
The engine does not restart	With intelligent key system	Hood open^*1	Sound
The idle start/stop system is OFF		When the start/stop OFF switch is ON.^*2	—
		When the brake pedal is not enough pressure.	—	Note: This display appears when Fuel saved and engine stop time is selected on the Nissan Sentra vehicle information display.
		When A/C is prioritized.	—	Note: This display appears when Fuel saved and engine stop time is selected on the Nissan Sentra vehicle information display.
		When the steering wheel is being operated.	—	Note: This display appears when Fuel saved and engine stop time is selected on the Nissan Sentra vehicle information display.
		Others	—	—
The idle start/stop system is ON.		When the start/stop OFF switch is OFF.^*3	—
Fail-Safe		Malfunction of idle start/stop system	—

*1: Engine is stalled after alert for 1.5 seconds.

*2: This is indicated only for 1.5 seconds after the start/stop OFF switch is turned from OFF to ON.

*3: This is indicated only for 1.5 seconds after the start/stop OFF switch is turned from ON to OFF.

System

Engine Control System System Description System Description SYSTEM DIAGRAM SYSTEM DESCRIPTION The adopted system enables comprehensive engine control. ECM (engine co ...

Handling Precaution

Precaution for Idle Start/stop System Precaution for Idle Start/Stop System PRECAUTIONS FOR IDLE START/STOP SYSTEM OPERATION The operation of the idle start/stop system system needs to sati ...

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