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Home >> Acura >> 2005 >> MDX Base >> Repair and Diagnosis >> Accessories & Equipment >> Entertainment Systems >> ONSTAR System >> Control Unit Removal/Installation
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Control Unit Removal/Installation

  1. Remove the center console (see CENTER CONSOLE REMOVAL/INSTALLATION ).
  2. Remove the rear blower motor (see REAR BLOWER MOTOR REPLACEMENT )
  3. Loosen the bolts that secure the OnStar control unit and bracket (E) to the shift lever base assembly, then slide the control unit and bracket forward to remove it.
  4. Disconnect the 22P and 16P connector (A), the antenna lead 2P connector (B), and the antenna lead 1P connector (C) from the OnStar control unit (D).
    Fig 1: Disconnecting 22P And 16P Connector, Antenna Lead 2P Connector, And Antenna Lead 1P Connector From OnStar Control Unit
    G03642660Courtesy of AMERICAN HONDA MOTOR CO., INC.
  5. Remove the bracket from the control unit.
  6. Install the control unit in the reverse order of removal.
    NOTE: Replacement units are in the Shipping Mode and will need to be switched to Market Mode (see TRANSITIONING THE ONSTAR CONTROL UNIT TO MARKET MODE  ).
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