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Home >> Nissan-Datsun >> 2019 >> Pathfinder SL, FWD >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission (Introduction And Basic Inspection) >> System Description >> Component Parts >> CVT Control System >> Components Location >> Component Description

Component Description

NO.

Component

Function

SYMBOL

ECM

Mainly transmits the following signal to TCM via CAN communication.

  • Engine and CVT integrated control signal
    NOTE: General term for the communication (torque-down permission, torque-down request, etc.) exchanged between the ECM and TCM.
  • Engine speed signal
  • Engine coolant temperature signal
  • Accelerator pedal position signal
  • Closed throttle position signal

Mainly receives the following signals from TCM via CAN communication.

  • Malfunction indicator lamp (MIL) signal

Refer to Components Location for detailed installation location.

SYMBOL

TCM

TCM 

SYMBOL

BCM

Mainly transmits the following signal to TCM via CAN communication.

  • Stop lamp switch signal

Refer to Components Location for detailed installation location.

SYMBOL

ABS actuator and electric unit (control unit)

Mainly transmits the following signal to TCM via CAN communication.

  • Vehicle speed signal (ABS)
  • ABS operation signal
  • TCS operation signal
  • VDC operation signal
  • ABS malfunction signal

Refer to Components Location (without ICC) or Components Location (with ICC) for detailed installation location.

SYMBOL

Combination meter

Mainly transmits the following signal to TCM via CAN communication.

  • Overdrive control switch signal
  • Tow mode switch signal

Mainly receives the following signals from TCM via CAN communication.

  • Shift position indicator signal
  • OD OFF indicator lamp signal
  • Tow mode indicator lamp signal

Refer to Components Location for detailed installation location.

SYMBOL

Malfunction indicator lamp (MIL)

Malfunction Indicator Lamp (MIL) 

SYMBOL

Shift position indicator

Shift Position Indicator 

SYMBOL

OD OFF indicator lamp

OD OFF Indicator Lamp 

SYMBOL

Tow mode indicator lamp

TOW Mode Indicator Lamp 

SYMBOL

Tow mode switch

Tow Mode Switch 

SYMBOL

Overdrive control switch

Overdrive Control Switch 

SYMBOL

Transmission range switch

Transmission Range Switch 

SYMBOL

Input speed sensor

Input Speed Sensor 

SYMBOL

Output speed sensor

Output Speed Sensor 

SYMBOL

CVT unit connector

--

SYMBOL

Primary speed sensor

Primary Speed Sensor 

SYMBOL

Control valve

CVT fluid temperature sensor*

CVT Fluid Temperature Sensor 

Primary pressure sensor*

Primary Pressure Sensor 

Secondary pressure sensor*

Secondary Pressure Sensor 

Line pressure solenoid valve*

Line Pressure Solenoid Valve 

Primary pressure solenoid valve*

Primary Pressure Solenoid Valve 

Secondary pressure solenoid valve*

Secondary Pressure Solenoid Valve 

Torque converter clutch solenoid valve*

Torque Converter Clutch Solenoid Valve 

Select solenoid valve*

Select Solenoid Valve 

*: These components are included in control valve assembly.