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.
• Failsafe function.
• Self diagnosis function.
• Interface with the external diagnosis tester.

Installation position : engine compartment 

• Brake tube length from Master cylinder port to HECU inlet port should be max. 1m
• The position should not be close to the engine block and not lower than the wheel.