Nissan Rogue (T33) 2021-Present Service Manual: Component Parts

Cvt Control System

Component Parts Location

	Electric shift selector		Electric shift control module		ABS actuator and electric unit (control unit) Refer to Component Parts Location.
	ECM Refer to Component Parts Location.		BCM Refer to Component Parts Location.		Combination meter Refer to Removal and Installation.
	Paddle shifter		Stop lamp switch		Accelerator pedal position
	Input speed sensor		TCM		Electric shift actuator
	CVT unit connector		Primary speed sensor		Electric oil pump
	Control valve		Secondary speed sensor		Shift actuator relay
	Steering wheel		Pedal periphery		Transaxle assembly
	In front of the left front wheel

TCM

FUNCTIONS WITHIN THE SYSTEM

TCM judges the vehicle driving status based on the signals from the sensors, switches, and other control units, and the optimal transaxle control is performed.

INDIVIDUAL FUNCTION WITHIN SYSTEM

The TCM consists of a microcomputer and connectors for signal input and output and for power supply.

INDIVIDUAL OPERATION

• CVT control system. Refer to System Description.

• Line pressure control system. Refer to System Description.

• Shift control system. Refer to System Description.

• Select control system. Refer to System Description.

• Lock-up control system. Refer to System Description.

• Drive mode selector system. Refer to System Description.

COMPONENT PARTS LOCATION

The TCM is installed to the front side of transaxle case.

Transmission Range Switch

FUNCTIONS WITHIN THE SYSTEM

The transmission range switch transfers CVT range position to TCM as voltage signal.

INDIVIDUAL FUNCTION WITHIN SYSTEM

The transmission range switch judges the CVT range position.

INDIVIDUAL OPERATION

Transmission range switch judges the CVT range position by contact point which is switched according to turn of manual shaft.

COMPONENT PARTS LOCATION

The transmission range switch is installed to control valve.

Input Speed Sensor

FUNCTIONS WITHIN THE SYSTEM

The input speed sensor transfers detected input shaft speed to TCM as pulse signal.

INDIVIDUAL FUNCTION WITHIN SYSTEM

The input speed sensor detects input shaft speed.

INDIVIDUAL OPERATION

The input speed sensor generates an ON-OFF pulse signal according to the rotating body speed.

TCM judges the rotating body speed based on the pulse signal.

COMPONENT PARTS LOCATION

The input speed sensor is installed to the front side of transaxle case.

Primary Speed Sensor

FUNCTIONS WITHIN THE SYSTEM

The primary speed sensor transfers detected primary pulley speed to TCM as pulse signal.

INDIVIDUAL FUNCTION WITHIN SYSTEM

The primary speed sensor detects primary pulley speed.

INDIVIDUAL OPERATION

The primary speed sensor generates an ON-OFF pulse signal according to the rotating body speed.

TCM judges the rotating body speed based on the pulse signal.

COMPONENT PARTS LOCATION

The primary speed sensor is installed to transaxle side cover.

Secondary Speed Sensor

FUNCTIONS WITHIN THE SYSTEM

The secondary speed sensor transfers detected secondary pulley speed to TCM as pulse signal.

INDIVIDUAL FUNCTION WITHIN SYSTEM

The secondary speed sensor detects idler gear speed and transfers speed signal to TCM.

TCM calculates secondary pulley speed based on signal from secondary speed sensor.

INDIVIDUAL OPERATION

The secondary speed sensor generates an ON-OFF pulse signal according to the rotating body speed.

TCM judges the rotating body speed based on the pulse signal.

COMPONENT PARTS LOCATION

The secondary speed sensor is installed to rear side to transaxle case.

CVT Fluid Temperature Sensor

FUNCTIONS WITHIN THE SYSTEM

The CVT fluid temperature sensor transfers detected fluid temperature to TCM as signal voltage.

INDIVIDUAL FUNCTION WITHIN SYSTEM

The CVT fluid temperature sensor detects CVT fluid temperature in oil pan.

INDIVIDUAL OPERATION

The fluid temperature sensor uses a thermistor, and changes the voltage signal by converting changes in the CVT fluid temperature to a resistance value.

The voltage signal value change must be in proportion to the resistance value change.

TCM evaluates the CVT fluid temperature from the voltage signal value.

COMPONENT PARTS LOCATION

The CVT fluid temperature sensor is installed to control valve.

Line Pressure Sensor

FUNCTIONS WITHIN THE SYSTEM

The line pressure sensor transfers detected line pressure to TCM as voltage signal.

INDIVIDUAL FUNCTION WITHIN SYSTEM

The line pressure sensor detects line pressure.

INDIVIDUAL OPERATION

When pressure is applied to the ceramic device in the line pressure sensor, the ceramic device is deformed that produce voltage change.

TCM evaluates the line pressure based on the voltage change.

Voltage is increased along with pressure increase.

COMPONENT PARTS LOCATION

The line pressure sensor is installed to control valve.

Primary Pressure Sensor

FUNCTIONS WITHIN THE SYSTEM

The primary pressure sensor transfers detected primary pressure to TCM as voltage signal.

INDIVIDUAL FUNCTION WITHIN SYSTEM

The primary pressure sensor detects pressure applied to the primary pulley.

INDIVIDUAL OPERATION

When pressure is applied to the ceramic device in the primary pressure sensor, the ceramic device is deformed that produce voltage change.

TCM evaluates the primary pressure based on the voltage change.

Voltage is increased along with pressure increase.

COMPONENT PARTS LOCATION

The primary pressure sensor is installed to control valve.

Secondary Pressure Sensor

FUNCTIONS WITHIN THE SYSTEM

The secondary pressure sensor transfers detected secondary pressure to TCM as voltage signal.

INDIVIDUAL FUNCTION WITHIN SYSTEM

The secondary pressure sensor detects pressure applied to the secondary pulley.

INDIVIDUAL OPERATION

When pressure is applied to the ceramic device in the secondary pressure sensor, the ceramic device is deformed that produce voltage change.

TCM evaluates the secondary pressure based on the voltage change.

Voltage is increased along with pressure increase.

COMPONENT PARTS LOCATION

The secondary pressure sensor is installed to control valve.

Line Pressure Solenoid Valve

FUNCTIONS WITHIN THE SYSTEM

The line pressure solenoid valve controls the pressure regulator valve by TCM signal, that controls the line pressure.

INDIVIDUAL FUNCTION WITHIN SYSTEM

The line pressure solenoid valve controls the pressure regulator valve.

For information about the pressure regulator valve, refer to Component Description.

INDIVIDUAL OPERATION

The line pressure solenoid valve uses the linear solenoid valve [N/H (normal high) type].

COMPONENT PARTS LOCATION

The line pressure solenoid valve is installed to control valve.

Primary Pressure Solenoid Valve

FUNCTIONS WITHIN THE SYSTEM

The primary pressure solenoid valve controls the primary reducing valve by TCM signal, that controls the primary pressure.

INDIVIDUAL FUNCTION WITHIN SYSTEM

The primary pressure solenoid valve controls the primary reducing valve.

For information about the primary reducing valve, refer to Component Description.

INDIVIDUAL OPERATION

The primary pressure solenoid valve uses the linear solenoid valve [N/H (normal high) type].

COMPONENT PARTS LOCATION

The primary pressure solenoid valve is installed to control valve.

Secondary Pressure Solenoid Valve

FUNCTIONS WITHIN THE SYSTEM

The secondary pressure solenoid valve controls the secondary reducing valve by TCM signal, that controls secondary pressure.

INDIVIDUAL FUNCTION WITHIN SYSTEM

The secondary pressure solenoid valve controls the secondary reducing valve.

For information about the secondary reducing valve, refer to Component Description.

INDIVIDUAL OPERATION

The secondary pressure solenoid valve uses the linear solenoid valve [N/H (normal high) type].

COMPONENT PARTS LOCATION

The secondary pressure solenoid valve is installed to control valve.

Torque Converter Clutch Solenoid Valve

FUNCTIONS WITHIN THE SYSTEM

The torque converter clutch solenoid valve controls the torque converter clutch control valve by TCM signal and adjusts engagement and disengagement pressure of torque converter.

INDIVIDUAL FUNCTION WITHIN SYSTEM

The torque converter clutch solenoid valve controls the torque converter clutch control valve.

For information about the torque converter clutch control valve, refer to Component Description.

INDIVIDUAL OPERATION

The torque converter clutch solenoid valve utilizes a linear solenoid valve [N/L (normal low) type].

COMPONENT PARTS LOCATION

The torque converter clutch solenoid valve is installed to control valve.

Select Solenoid Valve

FUNCTIONS WITHIN THE SYSTEM

The select solenoid valve adjusts the operating pressure of the forward clutch and reverse brake to switch forward/backward movement of Nissan Ariya vehicle.

INDIVIDUAL FUNCTION WITHIN SYSTEM

The select solenoid valve adjusts the operating pressure of the forward clutch and reverse brake.

INDIVIDUAL OPERATION

The select solenoid valve utilizes the linear solenoid valve [N/H (normal high) type].

COMPONENT PARTS LOCATION

The select solenoid valve is installed to control valve.

Electric Oil Pump

FUNCTIONS WITHIN THE SYSTEM

Command signal from TCM assists mechanical oil pump built-in transaxle to secure the required fluid pressure.

INDIVIDUAL FUNCTION WITHIN SYSTEM

Supply hydraulic pressure according to the request from TCM.

INDIVIDUAL OPERATION

• Electric oil pump has a built-in brushless three-phase AC motor.

• Operate by CAN signal from TCM.

• Transmit the operating status to TCM as a CAN signal.

COMPONENT PARTS LOCATION

The electric oil pump is mounted behind the TCM inside the transaxle assembly.

Paddle Shifter

FUNCTIONS WITHIN THE SYSTEM

The paddle shifter enabled shift operation without separating a hand from a steering wheel.

INDIVIDUAL FUNCTION WITHIN SYSTEM

When operating the paddle shifter, up/down shift signals of paddle shifter is transmitted to the combination meter.

Then, the TCM receives a paddle shifter shift up/shift down signals from the BCM via CAN communication.

INDIVIDUAL OPERATION

When operating the paddle shifter to + side or - side, the shift position is changed over, and shift change like M/T becomes possible.

COMPONENT PARTS LOCATION

The paddle shifter is built in the steering wheel.

Electric Shift System

Component Parts Location

Refer to Component Parts Location.

Electric Shift Control Module

FUNCTIONS WITHIN THE SYSTEM

The electric shift control module actuates the shift actuator according to the signals transmitted from electric shift sensor, P position switch and various ECUs.

INDIVIDUAL FUNCTION WITHIN THE SYSTEM

• The electric shift control module consists of the microcomputer and input/output connectors for signal and power supply.

• The electric shift control module includes a self-diagnosis function for simplifying trouble diagnosis.

INDIVIDUAL OPERATION

The electric shift control module is started by the ignition switch signal.

COMPONENT PARTS LOCATION

The electric shift control module is installed below the center console.

Electric Shift Selector

FUNCTIONS WITHIN THE SYSTEM

The electric shift selector sends the shift request of the driver to the electric shift control module as an electric signal.

INDIVIDUAL FUNCTION WITHIN THE SYSTEM

Shift selector position	Operation/Function
H (Home position)	The selector lever automatically moves back to the home position after it is operated.	: Press the button to shift : Shift without pressing the button
P (P position switch )	Completely stop the Nissan Ariya vehicle and press the P position switch while depressing the brake pedal. The shift position changes to P.
R	While depressing the brake pedal, press the selector knob button and shift the selector lever to R position. The shift position changes to R.
Nr	When shift position is D or M, while depressing the brake pedal, shift the selector lever to the Nr position and hold it for approx. 0.5 second. The shift position changes to N. NOTE: Even if selector lever is shifted to the Nr position when shift position is R, the shift position does not change to N and the shift position warning buzzer sounds.
Nd	When shift position is R, while depressing the brake pedal, shift the selector lever to the Nd position and hold it for approx. 0.5 second. The shift position changes to N. NOTE: Even if selector lever is shifted to the Nd position when shift position is D or M, the shift position does not change to N and the shift position warning buzzer sounds.
D/M	While depressing the brake pedal, shift the selector lever to D/M position. The shift position changes to D. While driving in the D position, shift the selector lever to D/M position again. The shift position changes to M (manual mode) To switch from M (manual mode) to the D driving, shift the selector lever to D/M position again.

: Hold : Current shift position : Be able to shift here

OPERATIONAL CONDITIONS FOR SHIFT

POWER SW	Operation	Nissan Ariya Vehicle speed	Stop lamp switch	Shift position					Remarks
				P	R	N	D	M
OFF/ACC	Selector lever	—	—		—				—
	P position SW	—	—		—				—
ON (Engine stop)	Selector lever	—	ON		—		—	—	Shifted to N position even when shifted to R or D position Shift position warning buzzer: Two short beeps
		—	OFF		—				Shift position warning buzzer: Two short beeps
	P position SW	—	—		—		—	—	—
ON (Engine running)	Selector lever	—	ON					*	—
		—	OFF		—				Shift position warning buzzer: Two short beeps
	P position SW	3 km/h (1.86 MPH) or less	—						—
		3 km/h (1.86 MPH) or more	—	—					Shift position warning buzzer: Two short beeps

*: Direct shifting to the M position from the P position is not possible.

INDIVIDUAL OPERATION

The electric shift selector sends a signal to the electric shift control module by shifting.

COMPONENT PARTS LOCATION

The electric shift selector is installed on the center console.

Electric Shift Sensor

FUNCTIONS WITHIN THE SYSTEM

The electric shift control module determines the shift selector position from the combination of the electric shift sensor ON/OFF signals.

INDIVIDUAL FUNCTION WITHIN THE SYSTEM

The electric shift sensor has 8 non-contact sensors (Hall IC) built in. Each sensor switches ON/OFF according to the selector lever position.

INDIVIDUAL OPERATION

The electric shift sensor transmits ON/OFF signals according to the selector lever position to the electric shift control module.

COMPONENT PARTS LOCATION

The electric shift sensor is installed to the electric shift selector.

P Position Switch

FUNCTIONS WITHIN THE SYSTEM

The transaxle changes to P position by pressing the P position switch.

INDIVIDUAL FUNCTION WITHIN THE SYSTEM

The P position switch transmits the ON/OFF signals of 2 contact switches to the electric shift control module.

INDIVIDUAL OPERATION

The P position switch allows direct one-touch switching to the P position from any position while the Nissan Ariya vehicle is stopped.

COMPONENT PARTS LOCATION

The P position switch is installed on the electric shift selector.

Selector Indicator

FUNCTIONS WITHIN THE SYSTEM

The selector indicator indicates the currently selected shift position.

INDIVIDUAL FUNCTION WITHIN THE SYSTEM

The selector indicator informs to driver the currently selected shift position.

INDIVIDUAL OPERATION

The lamp of currently selected shift position turns ON.

COMPONENT PARTS LOCATION

The selector indicator is installed on selector knob.

Shift Actuator

FUNCTIONS WITHIN THE SYSTEM

The shift actuator operates according to the output signal from the electric shift control module and changes the shift position of the transaxle.

INDIVIDUAL FUNCTION WITHIN THE SYSTEM

• Motor

  • A 3-phase SR motor is used.

  • Coil is placed on the stator core around the motor and the current that passes through the coil in sequence generates the rotating force for the inner rotor core.

• Encoder

  • The Hall IC type rotation angle sensor is used for higher accuracy in the detection of the rotor rotation angle.

  • It detects the rotor rotation angle and outputs pulse signals to the electric shift control module.

  • The electric shift control module controls the timing of the current feed to the coils optimally based on the signal from the encoder.

• Actuator Reduction Gear

  The actuator reduction gear consists of a cycloidal gear and includes a motor with its torque amplified for secure operation under high torque-requiring conditions.

INDIVIDUAL OPERATION

The shift actuator moves the manual shaft of transaxle and changes shift position.

COMPONENT PARTS LOCATION

The shift actuator is installed above the transaxle.

Shift Actuator Relay

FUNCTIONS WITHIN THE SYSTEM

The shift actuator relay supply power to the motor coil of shift actuator. Electric shift control module activates the shift actuator relay to supply power to the motor coil of shift actuator when the ignition switch is turned ON.

INDIVIDUAL FUNCTION WITHIN THE SYSTEM

The shift actuator relay connect and disconnects of the power supply circuit by ON / OFF of the relay switch.

INDIVIDUAL OPERATION

The relays used in the shift actuator relay are normal open relays.

COMPONENT PARTS LOCATION

The shift actuator relay is installed in front of the left front wheel.