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Home >> Toyota >> 2003 >> Matrix XR, 4WD >> Repair and Diagnosis (Single Page) >> Engine Performance >> Remove, Overhaul & Install >> Engine Controls - Removal & Installation 4-Cylinder >> Computerized Engine Controls >> Engine Control Module >> Removal & Installation (MR2)
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Removal & Installation (MR2)

  1. Ensure ignition is off.
  2. Note location of Engine Control Module (ECM). See ECM LOCATION  table.
  3. Remove luggage compartment lids, luggage compartments, quarter trim panels, lower trim covers, partition board and cover for access to ECM. See Fig 1. For additional information on removal of luggage compartment components, see FUEL PUMP  under FUEL SYSTEMS.
  4. Remove ECM. To install, reverse removal procedure.
Fig 1: Locating Engine Control Module & Components (MR2)
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