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Home >> Saturn >> 2004 >> L300 4D Sedan, 2.2 F >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - 2.2L (L61) (Introduction) >> Repair Instructions >> Powertrain Control Module (PCM) Replacement >> Installation Procedure

Installation Procedure

  1. Slide the PCM into the rear lip of the PCM bracket.
  2. Push down on the PCM until the 2 retaining clips are secure.
  3. Connect the PCM J1 and J2 harness connectors.
    4. NOTE: Refer to Fastener Notice in Cautions and Notices.
  4. Connect the negative battery cable. Tighten:  Tighten the battery terminal bolts to 17 N.m (13 lb ft).
    5. IMPORTANT: If a new PCM is being installed, it MUST be reprogrammed with new software and calibrations. Refer to Service Stall System (SSS) User Guide reprogramming procedures. The PCM may be damaged if the reprogramming process is interrupted. Make sure the scan tool is connected securely to the data link connector (DLC) and the vehicle battery has a sufficient charge.
    Make sure the new PCM has the correct VIN and vehicle options.
  5. Reprogram the PCM. Refer to SSS User Guide for reprogramming procedures.
    6. IMPORTANT: The new PCM must learn the passlock password from the PCM. When the PCM reprogram is completed, use the SSS to perform the Passlock Relearn Procedure.
  6. Perform the Passlock Relearn Procedure using the SSS.
  7. Turn the ignition OFF for 10 seconds, then turn the ignition ON.
    8. IMPORTANT: Following the PCM reprogramming, the PCM will have to learn the crankshaft notch variation for misfire diagnostics.
  8. Perform the crankshaft relearn procedure. Refer to DTC P0315 .
  9. Verify no DTCs exist. If one exists, refer to the specific diagnostic in this section of the service manual.
  10. Reset the clock and preset radio stations.
    11. Fig 1: Removing & Installing Powertrain Control Module
    GM890437Courtesy of GENERAL MOTORS CORP.
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