VCU Break-out Box

Introduction

Vehicle Control Unit (VCU) wiring harness has more than a hundred lines. During development a vehicle control system, it is often needed to measure, or to tweak certain signals on those lines. The Break-Out-Box is for such purpose. It is basically a break-in for every wire of the harness, you can measure the signal on every wire, or break/short a certain wire to create a fault, or some time just jump some wires to test some functions. The break-out-box is pretty much a must-have for vehicle control system development. Ecotrons break-out-box is shown in Figure 1

Appearance and application

Figure 2 shows the appearance of the product, the overall size is 150*360*150mm. The VCU terminal should connect Vehicle Control Unit. Harness terminal also connects wiring harness. Each of the VCU pins of the Break Out Box corresponds with red socket on the panel. Each of the harness terminal pins of the Break Out Box corresponds with black socket on the panel.

For the short circuit socket in Figure 3, When you need to connect the VCU signal to the harness end, use the short circuit socket to insert the two sockets that need to be connected on the panel to realize the connection between the VCU terminal and the harness terminal. The hole in the upper part of the short circuit socket can be easily measured signal.

Figure 4 121P needle pin distribution, box panel layout and distributing hole of the connector socket completely the same.

 
 
 
VCU break-out box

 
 

Figure 1 Structure of the Box
TVCU
Figure 2 Short Circuit Socket
TVCU
Figure 3 Short Circuit Socket
TVCU
Figure 4 121P needle pin segment
TVCU

 

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