Electronic Brake Control Module: Service and Repair

REMOVAL
1. Disconnect the negative battery cable.
2. Clean the top of the Hydraulic Control Unit (HCU) near the hydraulic lines.

NOTE: Risk of confusion! Mark hydraulic lines and corresponding connections before disassembling.




3. Unscrew the hydraulic lines (1-6) from the HCU. Seal off the hydraulic lines and connections with plugs.




4. Disconnect the Controller Antilock Brake (CAB) harness connector.
5. Unscrew the retaining bracket from the Integrated Control Unit (ICU).
6. Pull the ICU upwards, carefully pushing the hydraulic lines to one side.
7. Unscrew the CAB from the HCU and pull off carefully.

INSTALLATION
1. Install the Controller Antilock Brake (CAB) to the Hydraulic Control Unit (HCU) with the screws.
2. Check the seating and condition of the Integrated Control Unit (ICU) rubber grommets and replace if necessary.
3. Install the ICU to the retaining bracket with the screws.

CAUTION: Do not wrongfully connect hydraulic lines. Trace the line routing to the corresponding wheel if necessary.




4. Install the brake lines (1-6). Pay close attention to the markings when attaching the hydraulic lines.




5. Reconnect the CAB harness connector (1).
6. Connect the negative battery cable.
7. Bleed the brake system.
8. Read the fault memory and erase.