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: To aid in reassembly, insure the hydraulic brake lines and corresponding connections at the HCU are clearly marked before disassembly.

3. Disconnect the hydraulic lines (1-6) from the HCU. Cap the hydraulic lines and connections with plugs.




4. Disconnect the Controller Antilock Brake (CAB) harness connector (1).
5. Remove the retaining screws (2) from the Integrated Control Unit (ICU) retaining bracket.
6. Pull the ICU upwards, carefully pushing the hydraulic brake lines to one side.
7. Remove the retaining screws that hold the CAB to the HCU and carefully separate the CAB from the HCU.

INSTALLATION




1. Install the Controller Antilock Brake (CAB) to the Hydraulic Control Unit (HCU) with the retaining 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 retaining 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.