Abs (Anti-Lock Brake System): Description: Notes

This description applies to Hydraulic and Electronic Control Unit (HECU) of the Anti lock Braking System (ABS) and Traction Control System (TCS).

The HECU has the functions as follows:

• Input of signal from the wheel speed sensors attached to each wheel.
• Control of braking force and traction force.
• Fail-safe function.
• Self diagnosis function.
• Interface with the external diagnosis tester.