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Home › Pontiac › 2001 › Aztek Base, AWD › Repair and Diagnosis › External Pages › Different car › Section 603 (Anti-Lock Brake System) › Repair Instructions › Electronic Brake Control Module (EBCM) Replacement (w/JL4) › Removal Procedure

Removal Procedure

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2002 GMC Yukon XL, 2002 GMC Yukon, 2002 Chevrolet Tahoe, 2002 Chevrolet Suburban, and 2002 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: After installation, calibrate the new EBCM to the tire size that is appropriate to the vehicle.
  1. Disconnect the negative battery cable.
  2. Raise and suitably support the vehicle.
    NOTE: The area around the EHCU MUST be free from loose dirt to prevent contamination of disassembled ABS components.
    3. Fig 1: Removal of EHCU Components (W/JL4)
    G01664052Courtesy of GENERAL MOTORS CORP.
  3. Thoroughly wash all contaminants from around the EHCU (1).
  4. Disconnect the brake fluid pressure sensor (7) and pressure accumulator switch (4) electrical connectors.
  5. Remove the four mounting screws that fasten the EBCM (2) to the BPMV (1).
  6. Remove the EBCM (2) from the BPMV (1). Removal may require a light amount of force.
    NOTE: Note the routing of the jumper harnesses for reinstallation.
  7. Remove the EBCM and jumper harnesses from the vehicle.
  8. Remove the jumper harnesses from the EBCM
  9. Clean the BPMV to EBCM mounting surfaces with a clean cloth.
    10. Fig 2: Removal Of EBCM & BPMV Components (W/JL4)
    G01664053Courtesy of GENERAL MOTORS CORP.
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