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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 486 (Supplemental Inflatable Restraint System - Deactivation Procedures) >> Disabling & Activating Air Bag System >> Aurora, BONNEVILLE, LESABRE & Park Avenue >> Disabling System

Disabling System

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  1. Before proceeding, follow air bag service precautions. See SERVICE PRECAUTIONS  . Turn front wheels to straight-ahead position. Turn ignition switch to OFF position. Remove key from ignition switch.
  2. Remove SIR fuse from fuse block. On Aurora, Bonneville and LeSabre, fuse is in rear fuse block beneath rear seat cushion, on driver's side. On Park Avenue, fuse is in underhood fuse block. Wait one minute.
      NOTE: Park Avenue does not have any SIR components in SIR Zone 1.
    1. Zone 1  - On Aurora, Bonneville and LeSabre, to disable inflatable restraint front end discriminating sensor located in SIR Zone 1, open front hood. Locate front end sensor sometimes referred to as Electronic Frontal Sensor (EFS). Remove Connector Position Assurance (CPA) clip from EFS. Remove EFS connector from the EFS.
    2. Zones 2 & 6  - To disable inflatable restraint Side Impact Sensor (SIS) located in SIR Zones 2 (left) or 6 (right), remove appropriate center pillar trim panel. Remove front and rear carpet retainers and then center pillar trim panel. Remove inflatable restraint SIS CPA clip from the SIS and then remove SIS Yellow connector. See Fig 1 .
    3. Zone 3  - To disable inflatable restraint steering wheel module and coil located in SIR Zone 3, remove sound insulator panel from under left side of instrument panel. Remove CPA clip, and disconnect driver 2-pin Yellow SIR connector at base of steering column. See Fig 2 .
    4. Zone 5  - To disable passenger air bag module located in SIR Zone 5, remove right insulator panel from under right side of instrument panel. Remove passenger air bag CPA clip from the vehicle harness Yellow connector located under instrument panel and disconnect 2-pin Yellow SIR connector from vehicle harness. See Fig 3 .
    5. Zone 7  - To disable driver's seat side air bag module located in SIR Zone 7, remove CPA clip from driver's seat side air bag module Yellow 2-pin connector located under driver's seat. See Fig 4 . Disconnect vehicle harness Yellow connector from side air bag module Yellow connector.
      NOTE: Park Avenue does not have any SIR components in SIR Zone 8. Inflatable restraint Sensing and Diagnostic Module (SDM) is located in SIR Zone 9.
    6. Zone 8  - On Aurora, Bonneville and LeSabre, to disable inflatable restraint Sensing and Diagnostic Module (SDM) located in SIR Zone 8, disable SIR Zones 1, 2, 3 5, 6, 7 and 9. Remove CPA clip from Yellow connectors and disconnect vehicle harness SIR Yellow connectors.
    7. Zone 9 (Except Park Avenue)  - On Aurora, Bonneville and LeSabre, to disable passenger's seat side air bag module located in SIR Zone 9, remove CPA clip from passenger's seat side air bag module Yellow 2-pin connector located under passenger's seat. See Fig 4 . Disconnect vehicle harness Yellow connector from side air bag module Yellow connector.
    8. Zone 9 (Park Avenue)  - On Park Avenue, inflatable restraint Sensing and Diagnostic Module (SDM) and passenger's seat side air bag module are located in SIR Zone 9. To disable passenger's seat side air bag module, remove CPA clip from passenger's seat side air bag module Yellow 2-pin connector located under passenger's seat. See Fig 4 . Disconnect vehicle harness Yellow connector from side air bag module Yellow connector. To disable inflatable restraint Sensing and Diagnostic Module (SDM) located in SIR Zone 9, disable passenger's seat side air bag module and SIR Zones 2, 3, 5, 6 and 7. Remove CPA clip from Yellow connectors and disconnect vehicle harness SIR Yellow connectors.
Fig 1: Locating Side Impact Sensor Yellow Connector (Left Side Shown; Right Side Is Similar)
G00077839Courtesy of GENERAL MOTORS CORP.
Fig 2: Locating Driver's Air Bag Yellow 2-Pin Connector (Aurora, Bonneville, LeSabre & Park Avenue)
G99A00299Courtesy of GENERAL MOTORS CORP.
Fig 3: Locating Passenger's Air Bag Yellow 2-Pin Connector (Aurora, Bonneville, LeSabre & Park Avenue)
G99E00301Courtesy of GENERAL MOTORS CORP.
Fig 4: Locating Seat Side Air Bag Module Yellow 2-Pin Connector (Driver's Side Shown; Passenger's Side Is Similar)
G00077840Courtesy of GENERAL MOTORS CORP.
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