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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 242 (Supplemental Inflatable Restraint System Deactivation Procedures) >> General Motors >> Disabling & Activating Air Bag System >> Supplemental Inflatable Restraint (SIR) Disabling & Enabling Zones

Supplemental Inflatable Restraint (SIR) Disabling & Enabling Zones

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NOTE: Not all zones are used by all vehicles.

The Supplemental Inflatable Restraint (SIR) system has been divided into disabling and enabling zones. When performing service on or near SIR components or SIR wiring, it may be necessary to disable the SIR components in that zone. It may be necessary to disable more than one zone depending on the location of other SIR components and the area being serviced. See Fig 1. Identify the specific zone or zones in which service will be performed and disable and enable selected zone or zones.

Fig 1: Locating Supplemental Inflatable Restraint (SIR) Disabling & Enabling Zones (Typical)
G00077838Courtesy of GENERAL MOTORS CORP.