Four-Wheel Drive (4WD) System
Pressure Sensor
In this manual: Four-Wheel Drive (4WD) System
7steps
~42min
2/5difficulty
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.
- Turn the ignition switch to the OFF position.
- Disconnect the pressure sensor connector.
- Measure the resistance between the sensor terminal and the terminal.
- 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
- Remove the coupling. (Refer to Coupling - "Removal")
- Remove the extension cable (A).

- Remove the pressure sensor (A) using a 24 mm socket.
Tightening torque: 7.8 ~ 9.8 N·m

REMEDY
- To install, perform the removal procedure in reverse order.
Test yourself
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