Electronic Brake Control Module: Service and Repair

REMOVAL

NOTE: If the CAB needs to be replaced, the rear axle type and tire revolutions per mile must be programed into the new CAB. To program the CAB refer to the Chassis Diagnostic.

1. Disconnect battery negative cable.

Fig.5 Harness Connector Locks:

2. Release the CAB harness connector locks, and remove the harness connectors from the CAB.

Fig.6 Pump Motor Connector:

3. Disconnect the pump motor connector.

Fig.7 Controller Mounting Screws:

4. Remove screws attaching CAB to the HCU.
5. Remove the CAB.

INSTALLATION

NOTE: If the CAB needs to be replaced, the rear axle type and tire revolutions per mile must be programed into the new CAB. To program the CAB refer to the Chassis Diagnostic.

1. Place the CAB onto the HCU.

NOTE: Insure the CAB seal is in position before installation.

2. Install the mounting screws and tighten to 4 - 4.7 Nm (36 - 42 in. lbs.).
3. Connect the pump motor harness.
4. Connect the harnesses to the CAB and lock the connectors.
5. Connect battery.