Integrated Control Unit: Installing

-- Position the ICU (1) into the mounting bracket (3) in the vehicle. Install the mounting nuts (2) and tighten to 8 Nm (71 in. lbs.).

CAUTION:

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

Fig 1: Identifying ICU And Bracket

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-- 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 Primary
(2) Master Cylinder Secondary
(3) Right Rear
(4) Front Left
(5) Front Right
(6) Rear Left

-- Install the four chassis brake tubes (3, 4, 5, 6) brake tubes at the ICU hydraulic control unit. Tighten the tube nuts to 14 Nm (120 in. lbs.).

-- Install the primary (1) and secondary (2) brake tubes at the ICU hydraulic control unit. Tighten the tube nuts to 14 Nm (120 in. lbs.).

Fig 3: Identifying Primary And Secondary Brake Tubes

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-- Remove brake pedal holding tool.

-- Connect negative battery cable to battery post.

-- 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 .

Fig 4: Identifying Bleed Hose Set Up

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-- Check for leaks.

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