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:

    System description
    COMPRESSOR CONTROL FUNCTION Description PRINCIPLE OF OPERATION Compressor is not activated. Functional circuit diagram CAN (1): A/C switch signal : Blower fan motor switch signal CAN (2): A/C compressor request signal Functional initial inspection chart Fail-Safe FAIL-SAFE FUNCTION ...

    CVT system
    System Diagram 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 ...

    Headlamp aiming adjustment
    Description PREPARATION BEFORE ADJUSTING CAUTION: Do not use organic solvent (thinner, gasoline etc.). NOTE: For details, refer to the regulations in your own country. Perform aiming adjustment if the vehicle front body has been repaired and/or the headlamp assembly has been replaced. ...

    Nissan Maxima Owners Manual

    Nissan Maxima Service and Repair Manual

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