FixVault
Home › Chevrolet › 2007 › HHR LS, Automatic › Repair and Diagnosis › Engine Performance › System › Engine Controls & Fuel - 2.2L - Introduction (2 Of 2) › Repair Instructions › Engine Control Module Replacement › Installation Procedure

Installation Procedure

    Fig 1: View of ECM Retaining Tab
    GM1833662Courtesy of GENERAL MOTORS CORP.
    NOTE: Control module damage may result when the metal case contacts battery voltage. DO NOT contact the control module metal case with battery voltage when servicing a control module, using battery booster cables or when charging the vehicles battery.
  1. Install the ECM, securing the ECM to the underhood junction block bracket retaining tab (1).
    2. Fig 2: View Of Engine Wiring Harness Electrical Connector
    GM1833663Courtesy of GENERAL MOTORS CORP.
  2. Connect the engine wiring harness electrical connector (1) to the ECM.
    3. Fig 3: View of ECM Retaining Tab
    GM1833662Courtesy of GENERAL MOTORS CORP.
  3. Connect the body wiring harness electrical connector (1) to the ECM.
    4. Fig 4: ECM/TCM Cover
    GM1631889Courtesy of GENERAL MOTORS CORP.
  4. Install the ECM/TCM cover.
  5. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .
  6. Program the ECM. Refer to Control Module References .
About FixVault