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Home >> Ford >> 2005 >> Focus ZX4 ST >> Repair and Diagnosis >> Engine Performance >> Remove, Overhaul & Install >> Electronic Engine Control System >> Removal And Installation >> Powertrain Control Module (PCM) >> Removal and Installation
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Removal and Installation

  1. Disconnect the battery ground cable. For additional information, refer to BATTERY, MOUNTING AND CABLES .
  2. Remove the instrument panel side trim.
    Fig 1: Removing Instrument Panel Side Trim Panel
    G03951158Courtesy of FORD MOTOR CO.
  3. Remove the cowl side trim panel.
    Fig 2: Identifying Trim Panel Screws
    G03951159Courtesy of FORD MOTOR CO.
  4. Remove the glove box.
    Fig 3: Removing Glove Box
    G03951160Courtesy of FORD MOTOR CO.
  5. Remove the passenger side lower footwell trim panel.
    Fig 4: Removing Passenger Side Lower Footwell Trim Panel
    G03951161Courtesy of FORD MOTOR CO.
  6. Remove the generic electronic module (GEM).
    1. Remove the two retaining nuts.
    2. Remove the GEM module and the bracket and position aside.
    Fig 5: Removing Generic Electronic Module (GEM)
    G03951162Courtesy of FORD MOTOR CO.
  7. Disconnect the powertrain control (PCM) module electrical connectors and remove the PCM.
    Fig 6: Disconnecting Powertrain Control Module Electrical Connectors
    G03951163Courtesy of FORD MOTOR CO.
  8. CAUTION: Make sure that the PCM electrical connectors do not unlock when installing the GEM module.
  9. To install, reverse the removal procedure.