Nissan Maxima Service and Repair Manual: 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.

TCM FUNCTION

The function of the TCM is to:

  •  Receive input signals sent from various switches and sensors.
  •  Determine required line pressure, shifting point, and lock-up operation.
  •  Send required output signals to the step motor and the respective solenoids.

INPUT/OUTPUT SIGNAL OF TCM

Component Parts Location

  1.  CVT shift selector assembly (Manual mode select switch and manual mode position select switch)
  2.  Secondary speed sensor
  3.  CVT unit harness connector
  4.  TCM
  5.  Accelerator pedal position (APP) sensor
  6.  Stop lamp switch
  7.  Shift positioner indicator Manual mode indicator DS mode indicator
  8.  Paddle shifters

Component Description

TRANSAXLE ASSEMBLY

EXCEPT TRANSAXLE ASSEMBLY

    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 transmissi ...

    Lock-up and select control system
    System Diagram System Description  The torque converter clutch piston in the torque converter is engaged to eliminate torque converter slip to increase power transmission efficiency. ...

    Other materials:

    Unexpected pedal reaction
    Diagnosis Procedure 1.CHECK BRAKE PEDAL STROKE Check brake pedal stroke. 2.CHECK FUNCTION Disconnect ABS actuator and electric unit (control unit) connector to deactivate ABS. Check if braking force is normal in this condition.Connect connector after inspection. 3.CHECK WHEEL SENSOR AND SEN ...

    Jacking up vehicle and removing the damaged tire
    WARNING Never get under the vehicle while it is supported only by the jack. If it is necessary to work under the vehicle, support it with safety stands. Use only the jack provided with your vehicle to lift the vehicle. Do not use the jack provided with your vehicle on other veh ...

    Front fender
    Exploded View Front fender Removal and Installation REMOVAL Remove the front combination lamp. Refer to EXL-154, "Removal and Installation". Remove the fender protector. Refer to EXT-24, "Removal and Installation". Remove cowl top side trim cover. EXT- ...

    Nissan Maxima Owners Manual

    Nissan Maxima Service and Repair Manual

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