Description And Operation: Description: Notes

This specification applies to HCU (Hydraulic Control Unit) and ECU (Electronic Control Unit) of the HECU. (Hydraulic and Electronic Control Unit)

This specification is for the wiring design and installation of ABS ECU.

This unit has the functions as follows.

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