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Home >> Jaguar >> 2007 >> XJ8 Base >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Electronic Engine Controls - 4.2L (2003.5-09) >> Removal and Installation >> Engine Control Module (ECM) (18.30.01) >> Removal
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Engine Control Module (ECM) (18.30.01): Removal

  1. Disconnect the battery ground cable. BATTERY
  2. Remove the cowl vent screen. FRONT END BODY PANELS (2003.5-09)
  3. Remove the cabin air filter.
    • Detach the cabin air filter.
    • Remove the cabin air filter.
      Fig 1: Removing Cabin Air Filter
      G03555119Courtesy of JAGUAR CARS, INC.
  4. Remove the cabin air filter housing.
    Fig 2: Removing Cabin Air Filter Housing
    G03555120Courtesy of JAGUAR CARS, INC.
  5. Remove the engine compartment panel.

    Remove the engine compartment panel retaining bolt.

    • Remove the engine compartment panel.
      Fig 3: Removing Engine Compartment Panel
      G03555121Courtesy of JAGUAR CARS, INC.
  6. NOTE: The engine control module (ECM) electrical connector retaining bolt remains captive in the electrical connector.
    Fig 4: loosening ECM Electrical Connector Retaining Bolt
    G03555122Courtesy of JAGUAR CARS, INC.
  7. Using the special tool, loosen the ECM electrical connector retaining bolt.
  8. Disconnect the ECM electrical connector.
    Fig 5: Disconnecting ECM Electrical Connector
    G03555123Courtesy of JAGUAR CARS, INC.
  9. Remove the instrument panel lower trim panel.
    • Remove the retaining clips.
    • Remove the instrument panel lower trim panel.
      Fig 6: Removing Instrument Panel Lower Trim Panel
      G03555124Courtesy of JAGUAR CARS, INC.
  10. Remove the ECM retaining bracket.
    Fig 7: Removing ECM Retaining Bracket
    G03555125Courtesy of JAGUAR CARS, INC.
  11. Remove the ECM.
    • Detach the retaining clips.
    • Remove the ECM.
      Fig 8: Removing Retaining Clips
      G03555126Courtesy of JAGUAR CARS, INC.