What is the EDL System and how does it work? What does EDL do? What is the Electronic Differential Lock?
Additional electronic differential locks may be available for vehicles with ABS antilock braking systems. EDL makes it possible to easily tow, accelerate, and climb steep slopes even under adverse road conditions.
The EDL system works automatically. The driver is not required to make any intervention. The ABS antilock braking system sensors are used to monitor the movement of the wheels. A differential applies more traction to one of the drive wheels through the differential, stabilizing it and slowing the wheel down to speeds up to 40 km/h.
The system will make a sound to indicate that the process has occurred. You can get the most from the EDL system by using the accelerator pedal and clutch depending on the road conditions.
If there is an unusual load, the EDL will automatically switch off so that the brake disc does not heat up. The vehicle will continue to run in this situation and it is not equipped with an EDL system. It is unclear from the instrument panel if the EDL is turned off. After the brake cools, the EDL activates itself. An ABS antilock brake system warning light might also come on. This could indicate that the EDL system is not working properly.
The ABS/EDL control unit activates the EDL function instantly if it detects that the wheel spins during acceleration. This is done by receiving a signal from speed sensors. The intake valves of rear wheel brake circuit are activated by sending a voltage to them.
This is to stop the rear wheels braking when EDL is engaged. The pressure-limiting locking valve is activated and closed by sending a voltage. The hydraulic pump activates and sends brake fluid from the brake center to brakes on the spinning wheel. The brake is applied to the spinning wheels. The brake fluid is not allowed to return to the main centre of the wheel’s brake circuit because the locking valve is closed. The hydraulic pump’s pressure limiter limits the brake pressure.
The ABS/EDL control unit will deactivate the hydraulic pump to stop any further pressure increase if the wheel’s acceleration is declining with a signal from speed sensors. An electric voltage is applied to the valve to cause it to close. The outlet valve then closes by being free from tension.
The spinning wheel is rebounded.
If the ABS/EDL control unit detects that none of the moving wheels are spinning from the signals coming from the speed sensors during acceleration, then the bypass valve is brought to the “voltage-free” state, which causes it to open. The EDL function ceases when the lock-up valve opens.
