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Home >> Saturn >> 2005 >> Ion Red Line >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Introduction >> Repair Instructions >> Powertrain Control Module (PCM) Replacement >> Installation Procedure

Installation Procedure

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  1. Use the retaining tab to secure the PCM, when installing the PCM to the underhood junction block bracket.
  2. Connect the PCM harness connectors to the PCM.
    3. Fig 1: View Of PCM
    GM1381712Courtesy of GENERAL MOTORS CORP.
  3. Connect the negative battery cable. Refer to Battery Negative Cable Disconnect/Connect Procedure in Engine Electrical.
  4. Program the PCM. Refer to Control Module References in Computer/Integrating Systems.
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