System Description (AWD Models)

• By operating the drive mode select switch, the driving mode of OFF-ROAD, SNOW, AUTO, ECO, and SPORT can be selected.
• The drive mode selector changes the driving mode of following system.
  • Engine
  • Transmission
  • Steering
  • Intelligent trace control
  • Brake control system
  • Driver assistance system
  • AWD function

SYSTEM DIAGRAM 

Courtesy of NISSAN NORTH AMERICA, INC.

Component		Signal description
BCM		Mainly transmits the following signals to chassis control module via CAN communication. Drive mode select switch signal
ECM		Mainly receives the following signals from chassis control module via CAN communication. Drive mode signal
TCM		Mainly receives the following signals from chassis control module via CAN communication. Drive mode signal
ABS actuator and electric unit (control unit)		Mainly receives the following signals from chassis control module via CAN communication. Drive mode signal
Combination meter		Mainly transmits the following signals to chassis control module via CAN communication. Steering effort setting signal Mainly receives the following signals from chassis control module via CAN communication. Drive mode signal Meter display setting signal
Power steering control module		Mainly receives the following signals from chassis control module via CAN communication. Drive mode signal Meter display setting signal Mainly transmits the following signals to chassis control module via CAN communication. Steering effort setting signal
ADAS control unit 2		Mainly receives the following signals from chassis control module via CAN communication. Drive mode signal
AWD control unit		Mainly receives the following signals from chassis control module via CAN communication. Drive mode signal
Chassis control module		Chassis control module controls the drive mode select system.
Drive mode select switch		Refer to Drive Mode Select Switch .

CONTROL DESCRIPTION 

• Drive mode selector switches driving mode by drive mode select switch installed on center console finisher.
• Drive mode selector starts from AUTO mode when the power switch ON.
• The vehicle characteristics are controlled from the AUTO mode to any mode listed below:

  OFF-ROAD	Allows for easier driving or starting on a bumpy road surface such as an uneven dirt road or a steep uphill slope or through sand.
  SNOW	This mode makes it easier to start and run from snowy roads and frozen roads.
  ECO	Assists the driver's eco-driving. The engine and transmission points are adjusted for improved fuel economy, providing such a driving features as smooth starting or constant cruising.
  SPORT	Adjusts the engine and transmission points for a higher response. The setting of the steering system is adjusted to moderately increase steering wheel effort for a sporty feel.

• For relationship between drive mode and each control item, refer to the following table.

  x: Change from AUTO

  Items	Drive mode				Control
  	OFF-ROAD	SNOW	ECO	SPORT
  Engine	x	x	x	x	Controls engine torque
  Transmission			x	x	Selects shift pattern
  Steering				x	Controls mode and response of steering
  Intelligent trace control	x			x	Controls intelligent trace control
  Brake control system	x	x		x	Controls braking force
  AWD system	x	x	x		Controls drive torque distribution
  Driver assistance function	x	x			Controls ADAS function

ENGINE CHARACTERISTICS 

• The engine output characteristics when a mode is switched with the drive mode select switch is as follows.

  Drive mode select switch	Engine output
  OFF-ROAD	Accelerator opening characteristics is changed.
  SNOW	Accelerator opening characteristics is changed.
  AUTO	Normal
  ECO	Accelerator opening characteristics is changed.
  SPORT	Accelerator opening characteristics is changed and use a high engine performance range.

  NOTE: After switching mode to a mode that engine output increase, engine output characteristics are changed after releasing the accelerator pedal.

TRANSMISSION CHARACTERISTICS 

• The transmission characteristics when a mode is switched with the drive mode select switch is as follows.

  Drive mode select switch	Transmission status
  OFF-ROAD	Normal
  SNOW	Normal
  AUTO	Normal
  ECO	TCM controls shift characteristics of transaxle suitable for ECO mode.
  SPORT	TCM controls shift characteristics of transaxle suitable for SPORT mode.

  For details, Refer to System Description .

COMBINATION METER CHARACTERISTICS 

• The combination meter characteristics when a mode is switched with the drive mode select switch is as follows.

  Drive mode select switch	Combination meter status
  OFF-ROAD	Displays the selected drive mode.
  SNOW
  AUTO
  ECO
  SPORT

STEERING CHARACTERISTICS 

• The steering characteristics when a mode is switched with the drive mode select switch is as follows.

  Drive mode select switch	Steering status
  OFF-ROAD	Normal
  SNOW	Normal
  AUTO	Normal
  ECO	Normal
  SPORT	Quick

  NOTE: Steering characteristics change after mode switching when the steering angle is near the neutral position and the steering wheel is not turning.

INTELLIGENT TRACE CONTROL CHARACTERISTICS 

• The intelligent trace control characteristics when a mode is switched with the drive mode select switch is as follows.

  Drive mode select switch	Intelligent trace control status
  OFF-ROAD	OFF
  SNOW	Normal
  AUTO	Normal
  ECO	Normal
  SPORT	OFF

BRAKE CONTROL SYSTEM CHARACTERISTICS 

• The brake control system characteristics when a mode is switched with the drive mode select switch is as follows.

  Drive mode select switch		Brake control system status
  OFF-ROAD		TCS: TCS allows more wheel spin before decreasing engine torque by engine torque control - later intervention. Brake limited slip differential (BLSD): Quicker activation of brake limited slip differential (BLSD) control in case of split-mu road surface.
  SNOW		TCS: TCS allows more wheel spin before decreasing engine torque by engine torque control - later intervention. Brake limited slip differential (BLSD): Quicker activation of brake limited slip differential (BLSD) control in case of split-mu road surface.
  AUTO		Normal
  ECO		Normal
  SPORT		TCS: TCS allows more wheel spin before decreasing engine torque by engine torque control - later intervention. Brake limited slip differential (BLSD): Quicker activation of brake limited slip differential (BLSD) control in case of split-mu road surface.

AWD SYSTEM CHARACTERISTICS 

• The AWD system characteristics when a mode is switched with the drive mode select switch is as follows.

  Drive mode select switch	AWD system status
  OFF-ROAD	The optimal driving torque is distributed according to the driving mode selected.
  SNOW	The optimal driving torque is distributed according to the driving mode selected.
  AUTO	Normal
  ECO	The optimal driving torque is distributed according to the driving mode selected.
  SPORT	Normal

DRIVER ASSISTANCE CHARACTERISTICS 

• The Driver assistance function characteristics when a mode is switched with the drive mode select switch is as follows.

  Drive mode select switch	Driver assistance status
  OFF-ROAD	ProPILOT ASSIST: OFF I-LI: OFF BLIND SPOT INTERVENTION: OFF
  SNOW	ProPILOT ASSIST: OFF I-LI: OFF BLIND SPOT INTERVENTION: OFF
  STANDARD/AUTO	Normal
  ECO	Normal
  SPORT	Normal