Description and Operation: Notes
The hydraulic brake system is split in to two independent circuits: the primary circuit operates the front brakes and the secondary circuit operates the rear brakes. This type of system prevents complete brake failure in the event of a brake tube fracture.
The hydraulic brake system consists of the following components:
HYDRAULIC BRAKE ACTUATION REFERENCE
| Item | Description |
|---|---|
| 1 | Pedal Housing / Booster - refer to POWER BRAKE ACTUATION . |
| 2 | Vacuum Hose - refer to POWER BRAKE ACTUATION . |
| 3 | Master Cylinder / Reservoir. |
| 4 | Primary Brake Circuit. |
| 5 | Secondary Brake Circuit. |
| 6 | Hydraulic Pump / Motor Unit - refer to ANTI-LOCK CONTROL . |
| 7 | ABS/Traction Control Module (ABS/TCCM) - refer to ANTI-LOCK CONTROL . |
| 8 | Hydraulic Control Unit (HCU) - refer to ANTI-LOCK CONTROL . |
| 6/7/8 | Brake Control Modulator. |
| 9 | Brake Disc - refer to DISC . |
| 10 | Brake Caliper - refer to DISC . |
| 11 | Wheel Speed Sensor - refer to ANTI-LOCK CONTROL . |
| 12 | ABS Warning Lamp - refer to ANTI-LOCK CONTROL . |
| 13 | Brake Fluid Level Warning-Lamp |