|
|
Lamp Relay opens the Anti-Lock Warning Lamp Re- The (CAB) by itself, also has the ability to turn on the Amber Anti-Lock Warning Lamp. The (CAB) can ANTI-LOCK WARNING LAMP ON System Relay and Anti-Lock Warning Lamp Relay De-Energized. When the Amber Anti-Lock Warning Lamp is on, there is no electrical current flow from the (CAB) at Lamp is grounded through the Anti-Lock Warning HYDRAULIC CIRCUITS AND VALVE OPERATION Through the following operation descriptions and diagrams. The function of the various hydraulic con- For explanation purposes we will assume all speed sensors are sending the same wheel speed informa- NORMAL BRAKING ISOLATION VALVES Open to primary and secondary master cylinder fluid supply (Fig. 1) BUILD/DECAY VALVES Closed (Fig. 1) pedal closes primary and secondary circuits from the ABS BRAKING-BUILD PRESSURE ISOLATION VALVES Closed, isolating wheel brakes from master cylin- der primary and secondary fluid supply. Through BUILD/DECAY VALVES Open (Fig. 2) Fig. 11 Pump Motor Relay W/O Power Distribution Center Ä ANTI-LOCK 6 BRAKE SYSTEM 5 - 121 |