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Home >> Buick >> 2008 >> Allure CXS >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System & Fuel System - 3.6L - Introduction (2 Of 2) >> Repair Instructions >> Engine Control Module Replacement >> Installation Procedure
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Installation Procedure

    Fig 1: Locating ECM Bracket & Bolts
    GM1394048Courtesy of GENERAL MOTORS CORP.
  1. Install the ECM bracket, as necessary.
  2. NOTE: Refer to Fastener Notice .
  3. Install the ECM bracket bolts.

    Tighten:  Tighten the ECM bracket bolts to 10 N.m (89 lb in).

  4. Fig 2: View Of ECM Bolts
    GM1394049Courtesy of GENERAL MOTORS CORP.
    NOTE: In order to prevent any possible electrostatic discharge damage to the ECM, do not touch the connector pins.
  5. Install the ECM.
  6. Install the ECM bolts.

    Tighten:  Tighten the ECM bolts to 10 N.m (89 lb in).

  7. Fig 3: Identifying ECM Redundant Ground Wire And Bolt
    GM1394045Courtesy of GENERAL MOTORS CORP.
  8. Install the ECM redundant ground and bolt to the ECM.

    Tighten:  Tighten the ECM redundant ground wire bolt to 5 N.m (44 lb in).

  9. Fig 4: Locating Engine Side (Inboard) ECM Connector
    GM1394046Courtesy of GENERAL MOTORS CORP.
  10. Install the engine side (inboard) ECM connector (2).
  11. Fig 5: Identifying Engine Control Module Side Electrical Connector
    GM1394047Courtesy of GENERAL MOTORS CORP.
  12. Install the body side (outboard) ECM connector.
  13. Install the ECM/TCM fuse in the underhood fuse block. Refer to Electrical Center Identification Views .
  14. Install the TCM/IPC fuse in the underhood fuse block. Refer to Electrical Center Identification Views .
  15. Install the ECM fuse in the underhood fuse block. Refer to Electrical Center Identification Views .
  16. Connect the battery negative cable to the battery. Refer to Battery Negative Cable Disconnection and Connection (LY7) .
  17. Program the ECM. Refer to Control Module References .
  18. Turn OFF the ignition for at least 5 seconds after the programming event is complete.