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Electronic Brake Control Module: Service and Repair

Anti-Lock Brake System (ABS) Module

Removal and Installation

WARNING: Brake fluid contains polyglycol ethers and polyglycols. Avoid contact with eyes. Wash hands thoroughly after handling. If brake fluid contacts eyes, flush eyes with running water for 15 minutes. Get medical attention if irritation persists. If taken internally, drink water and induce vomiting. Get medical attention immediately.

CAUTION: Brake fluid is harmful to painted and plastic surfaces. If brake fluid is spilled onto a painted or plastic surface, immediately wash it with water.

CAUTION: Electronic modules are sensitive to electrical charges. The ABS module can be damaged if exposed to these charges.

CAUTION: When installing a new ABS module or hydraulic control unit (HCU), do not use the pump motor harness as a carrying handle. Failure to follow these instructions may result in damage to the HCU assembly.

NOTE: The ABS module and the HCU are not repairable. If an internal problem exists in either one, a new part must be installed.

NOTE: When installing a new ABS module it must be configured (using vehicle as-built data) and calibrated. Follow the diagnostic tool directions for the configuration and calibration procedures. For additional information.

1. Remove the HCU. For additional information, refer to Hydraulic Control Unit (HCU).





2. Remove the parts in the order indicated in the following illustration and table.
3. To install, reverse the removal procedure.

Item 1: Harness Connector Removal Note
1. CAUTION: When installing a new ABS module or HCU, do not use the pump motor harness as a carrying handle. Failure to follow these instructions may result in damage to the HCU assembly.

Item 3: ABS Module Removal Note

1. CAUTION: When disconnecting the brake lines, do not allow brake fluid to drip onto the ABS module or premature failure may occur.

Item 2: ABS Module Screws Installation Note





1. Tighten the screws in the order shown.