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Home >> Chrysler >> 2009 >> 300 Signature Series >> Repair and Diagnosis >> External Pages >> Different car >> Section 238 (Anti-Lock Brake System (Service Information)) >> Abs - Service Information >> Hydraulic/Mechanical >> Integrated Control Unit (ICU) >> Removal >> Integrated Control Unit

Integrated Control Unit

WARNING: This page is about a different car, the 2008 Dodge Magnum, 2008 Dodge Charger, and 2008 Chrysler 300. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: Before proceeding, refer to WARNING . Refer to CAUTION .
Fig 1: Disconnecting/Connecting Battery Cables
GC0012970Courtesy of CHRYSLER LLC
  1. Disconnect and isolate battery negative cable (2) from battery post.
  2. Using a brake pedal holding tool, depress brake pedal past its first inch of travel and hold it in this position. Holding pedal in this position will isolate master cylinder from hydraulic brake system and will not allow brake fluid to drain out of brake fluid reservoir while brake lines are open.
    Fig 2: Brake Tubes At ICU - MK25E
    GC0039491Courtesy of CHRYSLER LLC
  3. Remove primary (4) and secondary (1) brake tubes (from master cylinder) at hydraulic control unit (7).
  4. Remove remaining brake tubes (2, 3, 5, 6) at hydraulic control unit (7).
    Fig 3: ABM Connector Release Tabs
    GC0000018Courtesy of CHRYSLER LLC
    NOTE: Use this figure in the following step to release the ABM harness connector cover. It shows the location of the release tabs.
    Fig 4: Wiring Harness Connector At ABM
    GC0039492Courtesy of CHRYSLER LLC
  5. Disconnect ABM harness connector from antilock brake module (ABM). To do so:
    • Depress tabs on each side of connector cover, then
    • Pull outward and upward on lower half of cover until it locks into position pointing straight outward (2). Connector can then be pulled straight outward off ABM (1).
    Fig 5: ICU Mounting
    GC0039487Courtesy of CHRYSLER LLC
  6. Pull up on unit (1) and remove from mounting grommets (2) in body side rail.