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Home >> Alfa Romeo >> 2019 >> Giulia Base, AWD >> Repair and Diagnosis >> Brakes >> Brakes Control Systems >> Anti-Lock Brakes (Abs) (Service Information) >> Hydraulic/Mechanical >> Integrated Control Unit (ICU) >> Removal And Installation >> Removal And Installation >> Removal

Removal And Installation: Removal

NOTE:

If this Electronic Control Unit (ECU) is being replaced with a new unit, use a diagnostic scan tool to perform the Flash Programming Procedure (if available).

NOTE:

If the Integrated Control Unit (ICU) needs to be replaced, connect the diagnosis equipment to the vehicle diagnosis socket, go to "ABS control unit" in the "Miscellaneous functions" menu and start the following procedures:

  • Longitudinal and lateral sensor calibration
  • Pressure sensor calibration
  • Steering angle sensor calibration.
  • Electric Parking Brake (EPB) system assembly.

  1. Raise and support the vehicle. Refer to HOISTING, STANDARD PROCEDURE .
  2. Disconnect and isolate the negative battery cable.
  3. Remove the A/C suction line. Refer to LINE, A/C SUCTION, REMOVAL AND INSTALLATION Refer to, LINE, A/C SUCTION JUMPER, REMOVAL AND INSTALLATION .
  4. Remove the cowl panel. Refer to COVER, COWL PANEL, REMOVAL AND INSTALLATION .
    GC0195193Courtesy of CHRYSLER GROUP, LLC
    NOTE:

    Seal the unions that have been disconnected using suitable plugs to prevent moisture and impurities from entering the system.

  5. Remove the mounting nut (1a) securing the A/C liquid line (1b) to the condenser.
    GC0193747Courtesy of CHRYSLER GROUP, LLC
  6. Remove the mounting nuts (1a) and move to the side the A/C liquid line to the evaporator (1b).
    GC0094935Courtesy of CHRYSLER GROUP, LLC
  7. Remove the brake fluid reservoir cap and install the (special tool #2000001400, Cap, Master Cylinder) (1) and tighten onto the brake fluid tank.
    GC0197566Courtesy of CHRYSLER GROUP, LLC
  8. Remove the brake tube nuts (1), from the ICU.
  9. Disconnect the electrical harness connector (2) at the ICU.
    GC0207807Courtesy of CHRYSLER GROUP, LLC
  10. Remove the mounting bolts (1a) and remove the body reinforcement (1b).
    GC0198087Courtesy of CHRYSLER GROUP, LLC
  11. Remove the mounting bolt (1) securing the ICU to the body.
    GC0198370Courtesy of CHRYSLER GROUP, LLC
  12. Using (special tool #2000010500, Brake Switch Pliers) (1a) positioned on the rear part of the holes (1b) of the brake pedal, compress the retaining device (1c) and retract the brake pedal (1d) at the same time.
    GC0197560Courtesy of CHRYSLER GROUP, LLC
    NOTE:

    The retaining device must be replaced each time the push rod is disconnected.

  13. Remove the cup (1a) and the retraining device (1b) from the push rod of the ICU (1c).
    GC0207806Courtesy of CHRYSLER GROUP, LLC
  14. Remove and DISCARD  the ICU to the pedal unit support mounting nuts (1).
    GC0198404Courtesy of CHRYSLER GROUP, LLC
  15. Retract the ICU (1a) and remove the push rod (1b) from the front bulkhead.
  16. Remove and DISCARD  the seal (2).
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