Four-Wheel Drive (4WD) System

Pressure Sensor

7steps
~42min
2/5difficulty
010203040509.87N·mlb·ft
Tightening torque found on this page
Done 0 of 7

Description and Operation

Description

The 4WD ECU controls the hydraulic pump motor (drive) to generate oil pressure. It then actuates the multi-plate clutch and transmits the generated torque to the rear wheels. The amount of torque varies depending on the pressure.

Circuit Diagrams

Wiring Diagram

Repair Procedures

Inspection

Pressure Sensor Inspection Procedure

Measure the resistance of the pressure sensor.

  1. Turn the ignition switch to the OFF position.
  2. Disconnect the pressure sensor connector.
  3. Measure the resistance between the sensor terminal and the terminal.
  4. Check the measured resistance. (Refer to the table)
    Thick head Resistance
    PIN 2 - PIN 3 2.755~4.133 kΩ
    PIN 1 - PIN 3 1,892~2,838 kΩ
    PIN 1 - PIN 2 1,714~2,838 kΩ

DEPOSIT

  1. Remove the coupling. (Refer to Coupling - "Removal")
  2. Remove the extension cable (A).
  3. Remove the pressure sensor (A) using a 24 mm socket.

    Tightening torque: 7.8 ~ 9.8 N·m

REMEDY

  1. To install, perform the removal procedure in reverse order.

Test yourself

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