Acura TSX / Honda Accord CL. Manual — part 294

Fig. 79: Checking For Continuity Between The VSA OFF Switch Connector Terminals No. 3 & No.
4

VSA MODULATOR-CONTROL UNIT REMOVAL & INSTALLATION

NOTE:

z

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.

z

Be careful not to damage or deform the brake lines during removal and
installation.

z

To prevent the brake fluid from flowing, plug and cover the hose ends and

2004 Acura TSX

2004 BRAKES Vehicle Stability Assist System - TSX

REMOVAL

1. Pull up the lock (A) of the VSA control unit 47P connector (B), and the connector disconnects itself.

Fig. 80: Removing VSA Modulator-Control Unit

2. Disconnect the six brake lines.

3. Remove the three 6 mm bolts, then remove the VSA modulator-control unit/bracket (C/D) from the body.

joints with a shop towel or equivalent material.

2004 Acura TSX

2004 BRAKES Vehicle Stability Assist System - TSX

4. Remove the two 6 mm bolts and the hex bolt, then remove the VSA modulator-control unit from the

bracket.

INSTALLATION

1. Install the VSA modulator-control unit on the bracket, then tighten the two 6 mm bolts and the hex bolt.

2. Install the VSA modulator-control unit/bracket on the body, then tighten the three 6 mm bolts.

3. Reconnect the six brake lines, then tighten the nuts.

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

5. Carefully push in the lock of the VSA control unit 47P connector until you hear it click into place, then

confirm the connector is fully seated.

6. Bleed the brake system, starting with the front wheels (see BLEEDING BRAKE SYSTEM ).

7. Start the engine, and check that the ABS and VSA indicators go off.

8. Test-drive the vehicle, and check that the ABS and VSA indicators do not come on.

WHEEL SENSOR INSPECTION

1. Clean the encoder, and make sure no metal is stuck to the encoder surface.

2. Check the magnetic encoder (A) for damage. If cracked or damaged, replace the encoder.

2004 Acura TSX

2004 BRAKES Vehicle Stability Assist System - TSX

Fig. 81: Measuring The Air Gap Between The Wheel Sensor & The Magnetic Encoder (Front)

2004 Acura TSX

2004 BRAKES Vehicle Stability Assist System - TSX