Nissan Murano: System / Line Pressure Control

Nissan Murano (Z52) 2015-2024 Service Manual / Transmission & Driveline / Transaxle & Transmission :: Cvt: Re0f10j / System Description / System / Line Pressure Control

System Description

SYSTEM DIAGRAM

DESCRIPTION

Highly accurate line pressure control and secondary pressure control reduces friction for improvement of fuel economy.

Normal Oil Pressure Control

Appropriate line pressure and secondary pressure suitable for driving condition are determined based on the accelerator pedal position, engine speed, primary pulley (input) speed, secondary pulley (output) speed, Nissan Murano vehicle speed, input torque, stop lamp switch signal, transmission range switch signal, lock-up signal, power voltage, target shift ratio, oil temperature, oil pressure, and manual mode signal.

Secondary Pressure Feedback Control

In normal oil pressure control and oil pressure control in shifting, highly accurate secondary pressure is determined by detecting the secondary pressure using an oil pressure sensor and by feedback control.

    Cvt Control System

    System Description SYSTEM DIAGRAMMAIN CONTROL CONTENTS OF TCM Controls Reference Line pressure control System Description Shift control System Description Select control System Description Lock-up control System Description Fail-safe Fail-safe Self-diagnosis function CONSULT Function Communication function with CONSULT CONSULT Function LIST OF CONTROL ITEMS AND INPUT/OUTPUT Control Item Shift control Line pressure control Select control Lock-up control Fail-safe function* Input Engine torque signal (CAN communication) × × × × × Engine speed signal (CAN communication) × × × × × Accelerator pedal position signal (CAN communication) × × × × Closed throttle position signal (CAN communication) × × × Stop lamp switch signal (CAN communication) × × × × Primary pressure sensor × Secondary pressure sensor × × × CVT fluid temperature sensor × × × × × Primary speed sensor × × × × × Output speed sensor × × × × Input speed sensor × × × × × Transmission range switch × × × × × Manual mode switch (CAN communication) × × × Output Line pressure solenoid valve × × × × Primary pressure solenoid valve × × × Torque converter clutch solenoid valve × × Secondary pressure solenoid valve × × × Select solenoid valve × × × Shift position indicator (CAN communication) × *: If these input/output signals show errors, TCM activates the fail-safe function...

    Shift Control

    System Description SYSTEM DIAGRAMDESCRIPTIONTo select the gear ratio that can give the driving force to meet driver's intent or vehicle situation, the Nissan Murano vehicle driving condition such as vehicle speed or accelerator pedal position is detected and the most appropriate gear ratio is selected and the shifting method before reaching the speed is determined...

    Other information:

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    DTC Description DTC DETECTION LOGIC DTC No. CONSULT screen terms (Trouble diagnosis content) DTC detection condition C1B51-16 BSW/BSI IND SHORT CIR (Blind Spot Warning indicator short circuit) Diagnosis condition When ignition switch is ON. Signal (terminal) – Threshold Short circuit in Blind Spot Warning indicator circuit is detected...

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    Categories

    Fuel gauge

    Nissan Murano. Fuel gauge

    The gauge indicates the approximate fuel level in the tank.

    The gauge may move slightly during braking, turning, acceleration, or going up or down hills.

    The gauge needle returns to 0 (Empty) after the ignition switch is placed in the OFF position.

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