Diesel Data: Automotive Repair

Traction Control Module: Service and Repair




VSA Modulator-Control Unit Removal and Installation

NOTICE
Do not spill brake fluid on the vehicle; it may damage the paint. If brake fluid gets on the paint, wash it off immediately with water.

NOTE:

- Be careful not to damage or deform the brake lines during removal and installation.
- After removal, plug the ends of the hoses and the joints to prevent spilling brake fluid.

Removal

1. Turn the ignition switch to LOCK (0).

2. Disconnect the VSA modulator-control unit 47P connector (A) by pushing the lock (B) and pulling up the lever (C); the connector disconnects itself.





3. Disconnect the six brake lines from the VSA modulator-control unit (D).

NOTE: Brake lines are connected to the master cylinder (E) and to the right-front (F), the left-rear (G), the right-rear (H), and the left-front (I) brake systems.

4. Remove the VSA modulator-control unit with the bracket (J) from the body.

5. Remove the VSA modulator-control unit from the bracket.

Installation

1. Install the VSA modulator-control unit onto the bracket.

2. Install the bracket with the VSA modulator-control unit to the body.

3. Reconnect the six brake lines, then tighten the flare nuts to the specified torque.

4. Align the connecting surface of the VSA modulator-control unit 47P connector to the VSA modulator-control unit.

5. Lower the lock of the VSA modulator-control unit 47P connector, then confirm the connector is fully seated.

6. Bleed the brake system Service and Repair.

7. Do the VSA sensor neutral position memorization Programming and Relearning.