Electronic Brake Control Module: Service and Repair
REMOVENOTE: To replace the Controller Antilock Brakes (CAB) on this vehicle, the Integrated Control Unit (ICU) and CAB need to be removed from the vehicle as a unit. The CAB can then be separated from the Hydraulic Control Unit (HCU). Do not attempt to replace the CAB with the ICU mounted in the vehicle.
1. Remove the ICU from the vehicle.
Pump Motor To CAB Wiring Harness:
2. Unplug the pump motor wiring harness from the CAB.
CAB Attaching Bolts:
3. Remove the 4 bolts attaching the CAB to the HCU.
Remove/Install CAB:
4. Remove the CAB from the HCU.
INSTALL
1. Install the CAB on the HCU.
2. Install the 4 bolts mounting the CAB to the HCU. Tighten the CAB mounting bolts to a torque of 2 Nm (17 inch lbs.).
3. Plug the pump/motor wiring harness into the CAB.
4. Install the ICU.
NOTE: The ICU may need to be initialized, using the DRB scan tool, after ICU installation.
5. Bleed the base brakes and the ABS brakes hydraulic system.
6. Road test vehicle to ensure proper operation of the base and ABS brake systems.