Integrated Control Unit: Installation

-- Position the ICU (2) above the mounting bracket (3) in the vehicle. Insert the mounting pins on the ICU into the grommets mounted in the bracket, then install the single mounting bolt (1). Tighten the mounting bolt to 11 Nm (97 in. lbs.).

Fig 1: Identifying ICU Mounting

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1 - ABM (part of ICU).
2 - Wiring harness connector.

CAUTION:

Before installing the ABM harness connector on the ABM, be sure the seal is properly installed in the connector.

-- Insert the ABM wiring harness connector (2) into the socket of the ABM (1) and close the cover, locking the connector in place.

Fig 2: Identifying ABM Harness Connector

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CAUTION:

The brake tubes must be routed to the correct ports. Improper routing can lead to degraded or undesirable system performance including external brake fluid leaks.

1 - Master Cylinder Secondary.
2 - Front Left.
3 - Front Right.
4 - Master Cylinder Primary.
5 - Rear Left.
6 - Rear Right.

-- Install the four chassis brake tubes (2, 3, 5, 6) brake tubes at the ICU hydraulic control unit (7). Tighten the tube nuts to 14 Nm (120 in. lbs.).

-- Install the primary (4) and secondary (1) brake tubes at the ICU hydraulic control unit (7). Tighten the tube nuts to 14 Nm (120 in. lbs.).

Fig 3: Identifying Integrated Control Unit, Hydraulic Control Unit And Brake Tubes

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-- Remove brake pedal holding tool.

-- Connect negative battery cable to battery post.

Fig 4: Identifying Bleed Hose Set Up

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Hook up the scan tool to initialize the ABM and perform the following:

-- Clear any faults.

-- Fill the master cylinder to the proper fill level and bleed the base and ABS hydraulic systems. Refer to BASE BRAKE BLEEDING .

-- Test for leaks.

-- Perform the ABS Verification Test and road test the vehicle. Refer to ABS Verification Test .