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:

    Air cleaner
    The air cleaner filter should not be cleaned and reused. Replace it according to the maintenance log shown in the "Maintenance and schedules" section of this manual. When replacing the filter, wipe the inside of the air cleaner filter housing and the cover with a damp cloth. To remove the ...

    Trunk opener request switch
    Description Performs trunk lid open request when it is pressed. Component Function Check 1. CHECK FUNCTION With CONSULT Check trunk opener request switch REQ SW -BD/TR in Data Monitor mode. Diagnosis Procedure 1. CHECK TRUNK OPENER REQUEST SWITCH OUTPUT SIGNAL Turn ignition switch ...

    IPDM E/R (intelligent power distribution module engine room)
    IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM) : Diagnosis Procedure Regarding Wiring Diagram information, refer to PCS-28, "Wiring Diagram". 1. CHECK FUSES AND FUSIBLE LINK Check that the following IPDM E/R fuses or fusible link are not blown. 2. CHECK POWER SUPPLY CIRCU ...

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    Nissan Maxima Service and Repair Manual

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