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Home >> Cadillac >> 2009 >> SRX 3.6 7, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System & Fuel System - 3.6L - Introduction >> Repair Instructions >> Engine Control Module Replacement >> Installation Procedure
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Installation Procedure

  1. If replacing the ECM bracket perform step 2, other wise proceed to step 3.
    2. Fig 1: View Of ECM Bracket
    GM1847925Courtesy of GENERAL MOTORS CORP.
  2. Position and install the ECM bracket, ensure that the bracket engages the locking tabs.
    3. Fig 2: View Of Locking Tabs
    GM1847923Courtesy of GENERAL MOTORS CORP.
  3. Position and install the ECM to the ECM bracket, ensure that the ECM engages to locking tabs (1).
    4. Fig 3: View Of Rear Engine Wiring Harness Electrical Connector
    GM1847922Courtesy of GENERAL MOTORS CORP.
    CAUTION: In order to prevent any possible electrostatic discharge damage to the ECM, do not touch the connector pins.
  4. Connect and lock the rear engine wiring harness electrical connector to the ECM.
    5. Fig 4: View Of Front Engine Wiring Harness Electrical Connector
    GM1847921Courtesy of GENERAL MOTORS CORP.
  5. Connect and lock the front engine wiring harness electrical connector to the ECM.
  6. Install the ECM/TCM/IGN fuse to the underhood fuse block. Refer to Electrical Center Identification Views .
  7. Install the TCM/BATT fuse to the underhood fuse block. Refer to Electrical Center Identification Views .
  8. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection (Top Post) or Battery Negative Cable Disconnection and Connection (RHD) .
  9. Program the ECM. Refer to Control Module References .
  10. Turn OFF the ignition for a least 5 seconds after the programming event is complete.
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