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Home › Pontiac › 2003 › Sunfire Standard › Repair and Diagnosis › External Pages › Different car › Section 198 (Supplemental Inflatable Restraint System) › Repair Instructions › Inflatable Restraint Sensing and Diagnostic Module Replacement › Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2004 Pontiac Sunfire and 2004 Chevrolet Cavalier. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION: Do not strike or jolt the inflatable restraint sensing and diagnostic module (SDM). Before applying power to the SDM, make sure that it is securely fastened with the arrow facing toward the front of the vehicle. Failure to observe the correct installation procedure could cause SIR deployment, personal injury, or unnecessary SIR system repairs.
  1. Disable the SIR system. Refer to SIR Disabling and Enabling Zone 9 .
  2. Remove the passenger front seat. Refer to Seat Replacement in Seats.
  3. Remove the passenger front carpet retainer, then roll back the carpet. Refer to Carpet Retainer Replacement (Sedan) or Carpet Retainer Replacement (Coupe) in Interior Trim.
  4. Remove the connector position assurance (CPA) from the inflatable restraint sensing and diagnostic module (SDM) wiring harness connector.
    Fig 1: View Of Sensing & Diagnostic Module (SDM) Wiring Harness Connector
    GM202124Courtesy of GENERAL MOTORS CORP.
  5. Disconnect the SDM wiring harness connector from the SDM.
    Fig 2: Identifying Sensing & Diagnostic Module (SDM) Wiring Harness Connector
    GM202126Courtesy of GENERAL MOTORS CORP.
  6. Remove the SDM mounting fasteners (2).
    Fig 3: Locating SDM Mounting Fasteners
    GM202131Courtesy of GENERAL MOTORS CORP.
  7. Remove the SDM (1) from the floor pan (3).
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