General System Description

Electronic Control System:

Input And Outputs:

Control System:

The electronic-hydraulic control system consists of various sensors and switches, a transmission control unit and the hydraulic controller including solenoid valves. The system controls the transmission proper including shift control, lockup control, overrunning clutch control, line pressure control, auto pattern select control and shift timing control. It also controls the 4WD transfer clutch. In other words, the system detects various operating conditions from various input signals and sends output signals to shift solenoids 1, 2 and 3 and duty solenoids A, B and C (a total of six solenoids).