Default Action
- Service telltale lamp will be illuminated and on-screen message to service 4WD system will be displayed.
- T-CASE SHIFTING:
- DHF/DHP : Lock the clutch if last known position is in 4WD. If failed in 2WD, maintain clutch open position.
- DHN/DHW : No action.
- FRONT AXLE DISCONNECT (FAD) ACTUATOR:
- DHF/DHP : Maintain last engage/disengage position.
- DHN/DHW : Engage when condition is safe (zero vehicle speed).
- FRONT AXLE LOCKER ACTUATOR: Maintain position if locked, allow customer selected disengagement. Don't allow re-lock
- REAR AXLE LOCKER ACTUATOR: Normal Operation