Nissan Maxima Service and Repair Manual: Hydraulic control system
System Diagram
System Description
The hydraulic control mechanism consists of the oil pump directly driven by the engine, the hydraulic control valve that controls line pressure and transmission, and the input signal lin
LINE PRESSURE AND SECONDARY PRESSURE CONTROL
- When an input torque signal equivalent to the engine driving force is transmitted from the ECM to the TCM, the TCM controls the line pressure solenoid valve and secondary pressure solenoid valve.
- Line pressure solenoid valve activates pressure regulator valve, and line pressure from oil pump is adjusted for the optimum driving condition. Secondary pressure is controlled by lowering line pressure.
Normal Control
Optimize the line pressure and secondary pressure, depending on driving conditions, on the basis of the throttle position, the engine speed, the primary pulley (input) revolution speed, the secondary pulley (output) revolution speed, the brake signal, the transmission range switch signal, the lock-up signal, the voltage, the target gear ratio, the fluid temperature, and the fluid pressure.
Feedback Control
For the normal fluid control and the select fluid control, secondary pressure is detected for feedback control by using a secondary pressure sensor to set a high-precision secondary pressure.
Component Parts Location
- CVT shift selector assembly (Manual mode select switch and manual mode position select switch)
- Secondary speed sensor
- CVT unit harness connector
- TCM
- Accelerator pedal position (APP) sensor
- Stop lamp switch
- Shift positioner indicator Manual mode indicator DS mode indicator
- Paddle shifters
Component Description
TRANSAXLE ASSEMBLY
EXCEPT TRANSAXLE ASSEMBLY
Mechanical system
Cross-Sectional View
Converter housing
Oil pump
Forward clutch
Reverse brake
Planetary carrier
Primary pulley
Steel belt
Sun ge ...
Control system
System Diagram
System Description
The CVT senses vehicle operating conditions through various sensors. It
always controls the optimum shift
position and reduces shifting and lock-up shocks.
T ...
Other materials:
Engine control system symptoms
Symptom Table
SYSTEM - BASIC ENGINE CONTROL SYSTEM
1 - 6: The numbers refer to the order of inspection.
(continued on next page)
SYSTEM - ENGINE MECHANICAL & OTHER
1 - 6: The numbers refer to the order of inspection. ...
Fog light switch
To turn the fog lights on, turn the headlight switch
to the position, then turn the fog
light
switch to the position.
To turn the fog lights on with the headlight switch
in the AUTO position, the headlights must be on,
then turn the fog light switch to the
position.
To turn the f ...
IPDM E/R (intelligent power distribution module engine room)
Reference Value
VALUES ON THE DIAGNOSIS TOOL
TERMINAL LAYOUT
PHYSICAL VALUES
Fail Safe
CAN COMMUNICATION CONTROL
When CAN communication with ECM and BCM is impossible, IPDM E/R performs
fail-safe control. After CANcommunication recovers normally, it also returns
to norm ...
Nissan Maxima Owners Manual
- Illustrated table of contents
- Safety-Seats, seat belts and supplemental restraint system
- Instruments and controls
- Pre-driving checks and adjustments
- Monitor, climate, audio, phone and voice recognition systems
- Starting and driving
- In case of emergency
- Appearance and care
- Do-it-yourself
- Maintenance and schedules
- Technical and consumer information
Nissan Maxima Service and Repair Manual
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