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Home >> GMC >> 2007 >> Acadia SLT, AWD >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System & Fuel - 3.6L (Ly7) - Introduction (2 Of 2) >> Repair Instructions >> Engine Control Module Replacement >> Installation Procedure
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Installation Procedure

NOTE: Refer to Fastener Notice .
Fig 1: View Of ECM Bracket And Bolts
GM1857965Courtesy of GENERAL MOTORS CORP.
  1. If necessary, position the ECM bracket and install the bolts (1).

    Tighten:  Tighten the bolts to 6 N.m (53 lb in).

  2. Fig 2: Identifying ECM Retaining Tab
    GM1857963Courtesy of GENERAL MOTORS CORP.
  3. Install the ECM onto the ECM bracket support tabs and snap the ECM into place under the retaining tab (1).
  4. Fig 3: View Of ECM Upper Electrical Connector
    GM1857961Courtesy of GENERAL MOTORS CORP.
  5. Connect the engine wiring harness upper electrical connector (1) to the ECM.
  6. If the ECM bracket was also replaced, install the engine wiring harness clip (2) to the ECM bracket tab.
  7. Fig 4: Identifying ECM Middle And Lower Electrical Connectors
    GM1857962Courtesy of GENERAL MOTORS CORP.
  8. Connect the engine wiring harness middle and lower electrical connectors (1) to the ECM.
  9. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .
  10. If a NEW ECM was installed, reprogram the ECM. Refer to Engine Control Module Programming and Setup .