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:

    Main power window and door lock/unlock switch
    Removal and Installation REMOVAL Remove the front door grip cover. Refer to DLK-214, "FRONT DOOR : Removal and Installation". Remove the clip (A) from the door grip using a suitable tool. Release the metal clip and lift the main power window and door lock/unlock swit ...

    EVAP canister
    Removal and Installation (EVAP Canister) EVAP control system pressure sensor EVAP canister O-ring  EVAP canister vent control valve O-ring NOTE: The EVAP canister vent control valve and EVAP canister system pressure sensor can be removed without removing the EVAP canis ...

    Door lock function symptoms
    DOOR LOCK AND UNLOCK SWITCH DOOR LOCK AND UNLOCK SWITCH : Symptom Table DOOR LOCK/UNLOCK FUNCTION MALFUNCTION NOTE: Before performing the diagnosis in the following table, check "WORK FLOW". Refer to DLK-9, "Work Flow". Check that vehicle is under the condition shown in "Condi ...

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    Nissan Maxima Service and Repair Manual

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