General Information

Component Location





General Description

The HECU supplies battery power to the electric motor with a motor relay which is controlled by the Electronic Control Unit (ECU).
The electric motor pump supplies hydraulic pressure to all wheel brake calipers by operating the piston inside the pump.

DTC Description

The HECU monitors the pump motor relay or fuse open, open or short in motor or motor lock and then sets this code if a malfunction is detected.
Warning lamp is turned OFF unless fault is detected any more when the IG KEY is turned ON again, and wheel speed is more than 15 Km/h.

DTC Detecting Condition





Schematic Diagram