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Home >> Pontiac >> 2009 >> Torrent Base, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 3.4L - Introduction >> Repair Instructions >> Engine Control Module Replacement >> Removal Procedure
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Removal Procedure

    Fig 1: View Of ECM Retainer & Top Of Battery Shield
    GM1822389Courtesy of GENERAL MOTORS CORP.
  1. Using a scan tool, retrieve the percentage of remaining engine oil and the remaining automatic transmission fluid life. Record the remaining engine oil and the remaining automatic transmission fluid life.
  2. Slide the engine control module (ECM) retainer rearward, disengaging the retainer from the battery shield.
  3. Remove the ECM retainer from the top of the battery shield.
    4. Fig 2: View Of ECM & Retainer
    GM1822915Courtesy of GENERAL MOTORS CORP.
  4. Remove the ECM from the retainer. Reposition the ECM out of the way.
    5. Fig 3: Identifying ECM Wiring Harness Electrical Connectors
    GM1822910Courtesy of GENERAL MOTORS CORP.
  5. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .
  6. Place the battery shield over the battery.
  7. Place the ECM on top of the battery shield.
  8. Disconnect the engine wiring harness electrical connectors (2) from the ECM.
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