DTC P1820: Pump For 4WD Motor High Overcurrent Detected: General Description

The Direct Electro-Hydraulic Actuator (DEHA) 4WD system is an automatic variable 4 wheel driving gear. This system distributes an optimum driving torque to front and rear wheels according to a driving condition. The 4WD ECU receives sensor inputs through CAN communication and determines the power distribution for the front/rear wheels. Then it controls a coupling system to transfer driving torque to rear wheels.