Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Electronic Brake Control Module: Service and Repair

ANTI - LOCK BRAKING SYSTEM CONTROL MODULE






REMOVAL





1. Disconnect the double lock connector (A) from the HECU.





2. Disconnect the brake tubes(A) from the HECU.

NOTE:
- Do not spill brake fluid on the vehicle; it may damage the paint; if brake fluid gets on the paint, wash it off immediately with water.
- Take care not to damage or deform the brake lines during removal and installation.
- To prevent the brake fluid from flowing, plug and cover the hose ends and joints with a shop towel or equivalent material.





3. Remove the HECU bracket mounting bolt and remove the HECU.

CAUTION:
- Never attempt to disassemble the HECU
- The HECU must be transported and stored in an upright position and with the ports sealed. The HECU must not be drained.