4WD Control System

Adjustment

Description
The friction material inside the coupling will degrade over time. Therefore, corresponding compensation values must be referenced and entered after replacing the controller or the coupling.

Compensation Requirement and Procedure
1. Simultaneous replacement of 4WD ECU (Controller) and coupling
A. Does not require compensation.
2. Replacement of coupling only
A. Reset the 4WD ECU's (Controller) clutch learning.








3. Replacement of 4WD ECU (Controller) only
A. Before replacement: Check the ECU's clutch learning.








B. After replacement: Enter the original ECU's clutch learning into the replacement ECU.