Description and Operation
Description
The 4WD ECU makes a Motor Pump (Actuator) turn round for generating an oil pressure. And then it presses a multiple disk clutch and transfers the generated torque into rear wheels. Its torque value varies according to a pressure status.
Schematic Diagrams
Circuit Diagram
Repair procedures
Inspection
NOTE
If you have trouble code related to the pressure sensor (P1825, P1826, P1827, P1828), check pressure sensor according to the inspection process.
Pressure Sensor Inspection Procedure
Measure the resistance of pressure sensor
1. Turn ignition switch OFF.
2. Disconnect the pressure sensor connector.
3. Measure resistance between sensor terminal and terminal.
4. Check the measured resistance. (Refer to table)
Removal
1. Remove the coupling assembly. (Refer to "coupling assembly" in 4WD group)
2. Remove the extension Cable (A).
3. Remove the pressure sensor (A) with 24mm socket.
CAUTION
Tightening torque: 7.8 ~ 9.8 N.m (0.8 ~ l.0 kgf.m, 5.8 ~ 7.2 lb-ft)
Installation
CAUTION
1. Installation is the reverse of removal.