Section 4
System Configurations
Page 14
4S/2M Trailer ABS Configuration Installation Diagram
For direct tank-mounted installations, see “How to
Install the ECU/Valve Assembly” in Section 6,
"Component Replacement".
Typical Application:
앫 Tandem and Tri-Axle Semi-Trailer
Figure 4.4
A Service/Control Lines
B Sensor Cables
C Service to Brake Lines (Delivery Lines)
D Air Supply/Emergency Lines
1 ECU/Valve Assembly (YE)
2 Air Tanks
3 External Valve (BU)
1002088e
YE1
YE2
EXTERNAL
VALVE (BU)
AIR TANK
BU1
BU2
AIR TANK
ECU/VALVE
ASSEMBLY (YE)
A Service/Control Lines
B Sensor Cables
C Service to Brake Lines (Delivery Lines)
D Air Supply/Emergency Lines