General Information

Component Location





General Description

The ABS HECU is composed of a ECU (Electronic Control Unit) and an HCU (Hydraulic Control Unit), so the HECU hardware includes all solenoid valves inside the unit as well as the ECU.
Solenoid valves are switched to ON, OFF by HECU when the ABS is activated. Solenoid valves function is to increase, decrease or maintain the hydraulic pressure supplied to a wheel cylinder.

DTC Description

The HECU monitors the solenoid valve circuit for a normal operation and if there is a open or short circuit in the valve, this DTC is set.

DTC Detecting Condition





Diagnostic Circuit Diagram