Electronic Brake Control Module: Service and Repair

ANTI-LOCK BRAKING SYSTEM CONTROL MODULE

HECU (HYDRAULIC AND ELECTRONIC CONTROL UNIT)

HECU (HYDRAULIC AND ELECTRONIC CONTROL UNIT) COMPONENTS:

REMOVAL

1. Remove HECU (Hydraulic and Electronic Control Unit) connector.





2. Remove brake tubes from HECU.





3. Remove HECU after loosening HECU bolt.





CAUTION:
^ Be careful to remove HECU because of too heavy.
^ Never attempt to disassemble the HECU.
^ The HECU must be transported and stored in an upright position and with the ports sealed.

4. Remove HECU bracket if necessary.

REPLACEMENT

1. Tighten HECU bracket bolt.





2. Install HECU bolt.

Tightening torque
HECU bolt: 8-10 N.m (0.8-1.0 kgf.m, 5.6-6.9 lb-ft)

3. Install brake tubes to HECU.





4. Connect HECU connector to HECU.
5. If necessary, bleed the air and test driving.