Identification of System
SYSTEM COVERAGEThere are two Antilock systems used on these trucks: the TRW EBC 125 and EBC 325. EBC 125 (RWAL) is standard, two-wheel rear wheel Antilock braking system.
EBC 325 (ABS) is optional, four-wheel Antilock braking system.
IDENTIFICATION OF SYSTEM
The EBC 125 is a one channel, one HCU, to control hydraulic pressure to both REAR brakes during Antilock braking, and one rear wheel speed sensor. A CAB mounted on top of the HCU controls the solenoids/ valves.
The EBC 325 is a three channel, one HCU to control the FRONT and REAR brakes, two front wheel speed sensors, and one rear wheel speed sensor. The CAB mounted on the top of the HCU controls the solenoids/ values.