Electronic Brake Control Module: Service and Repair

ABS HYDRAULIC UNIT AND ABS CONTROL MODULE REMOVAL/INSTALLATION

Caution: Do not drop the ABS Hydraulic Unit (HU) and ABS Control Module (CM). Replace them If they are subjected to an impact.

Note: The HU and ABS CM may be replaced separately. Diagnose which part is faulty and replace only the faulty part.

1. Remove the battery and battery tray.
2. Remove in the order indicated in the table.
3. Install in the reverse order of removal.

HU And ABS CM Removal/Installation Note
1. When removing/installing the Hydraulic Unit (HU) and ABS Control Module (CM) from/to the vehicle, attach a strip of protective tape on the HU connector to prevent brake fluid from entering.

ABS CM Removal Note
1. Clean the vise using compressed air.
2. Secure the Hydraulic Unit (HU) as shown.
3. Remove the bolts.

Caution:
- Moving the ABS Control Module (CM) in incorrect directions may damage the connector's male pins. If the ABS CM is moved In an incorrect direction, replace it.
- When removing the ABS CM, the solenoid valve connector rubber seal remains on the HU. If it remains on the ABS CM, It indicates a terminal malfunction. Replace the HU and ABS CM.





4. Remove the ABS CM by gently moving it in the direction indicated.

Rubber Seal Installation Note





1. Install the rubber seal as shown.

ABS CM Installation Note
1. Clean the contact surfaces of the Hydraulic Unit (HU) and ABS Control Module (CM) using compressed air.
2. Secure the HU in a vise as shown.
3. Place the ABS CM on the HU.
4. Tighten the bolts just under the specified torque.





5. Tighten the bolts to the specified torque in the order shown.

Connector Installation Note





1. Verify that the lock lever of the harness connector is completely pulled up.