When working on these trucks in an All Keys Lost situation, there are two scenarios for connections, depending on whether the truck is equipped with fuse 17 or not.

If the truck is equipped with fuse 17, you need to remove the fuse and then insert the fuse relay cable (which is part of the ZN151 set) into the socket of the fuse for EIS/EZS password extraction. The fuse box is located in the passenger’s foot compartment. Please refer to the picture below: