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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 461 (Supplemental Inflatable Restraint System - Deactivation Procedures) >> Disabling & Activating Air Bag System >> BRAVADA, Envoy, Envoy XUV, Trailblazer, & Rainier >> Disabling System

Disabling System

WARNING: This page does not describe the selected car, but rather 63 other vehicles, including the 2004 Suzuki Swift +, 2004 Pontiac Vibe, 2004 Pontiac Sunfire, 2004 Pontiac Montana, and 2004 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.
  1. Before proceeding, follow air bag service precautions. See SERVICE PRECAUTIONS  . Turn front wheels to straight-ahead position. Turn ignition switch to LOCK position. Remove key from ignition switch. Remove SIR fuse from underhood fuse block. Fuse block is located in the underhood fuse block. Wait one minute.
      CAUTION: Vehicle is equipped with 2 inflatable restraint electronic front end sensors. When performing this procedure ensure both front end sensors are disabled.
    1. Zone 1  - To disable inflatable restraint Electronic Front Sensors (EFS) located in SIR Zone 1, remove the grille. Remove headlamp wire harness from the retaining clip and raise wire harness to gain access to the front end sensor. Loosen sensor retaining bolts and remove sensor assembly from the frame. See Fig 1 . Position sensor assembly above the front bumper. Remove sensor retaining bolts and protective cover. Remove Connector Position Assurance (CPA) clip from the sensor electrical connector and disconnect sensor electrical connector.
    2. Zones 2 & 6  - To disable left or right front door inflatable restraint Side Impact Sensor (SIS) located in SIR Zones 2 (left) or 6 (right), remove accessory switch panel. Remove 2 trim panel retaining bolts. Release 9 trim panel fasteners from door and remove trim panel from the door. Remove CPA clip from side air bag sensor Yellow 2-pin connector located near the bottom of door. See Figure . Disconnect side air bag sensor Yellow 2-pin connector located near the bottom of door.
    3. Zone 3  - To disable driver air bag module and coil located in SIR Zone 3, remove left instrument panel closeout/insulator panel. Remove 4 trim panel retaining screws, release trim panel retaining clips and remove trim panel. Remove CPA clip from driver air bag module Yellow 4-pin connector located left of steering column, near knee bolster. See Fig 2 . Disconnect driver air bag module Yellow 4-pin connector.
    4. Zone 5  - To disable passenger air bag module located in SIR Zone 5, access passenger air bag module Yellow 4-pin connector through glove box. Remove CPA clip from instrument panel module Yellow 4-pin connector located behind instrument panel support. Disconnect instrument panel module Yellow 4-pin connector located behind instrument panel support. See Fig 3
    5. Zone 7  - To disable inflatable restraint side air bag module located in SIR Zone 7, remove CPA clip from left side air bag module Yellow 2-pin connector located under driver seat. Disconnect left side air bag module Yellow 2-pin connector located under driver seat. See Fig 4
    6. Zone 8  - To disable inflatable restraint Sensing and Diagnostic Module (SDM) located in SIR Zone 8, disable Zones 3, 5, 7 and 9. Disconnect Yellow component connectors.
    7. Zone 9  - To disable inflatable restraint side air bag module located in SIR Zone 9, remove CPA clip from right side air bag module Yellow 2-pin connector located under passenger seat. Disconnect right side air bag module Yellow 2-pin connector located under passenger seat. See Fig 4
Fig 1: Locating Inflatable Restraint Electronic Front Sensors (Bravada, Envoy, Envoy XL, Montana, Silhouette, Trailblazer, & Venture)
G00077843Courtesy of GENERAL MOTORS CORP.
Fig 2: Locating Driver Air Bag Module Yellow 4-Pin Connector (Bravada, Envoy, & Trailblazer)
G00077844Courtesy of GENERAL MOTORS CORP.
Fig 3: Identifying SIR Connectors In Zone 5
G00296559Courtesy of ISUZU MOTOR CO.
Fig 4: Identifying SIR Connectors In Zone 7 & 9
G00296563Courtesy of ISUZU MOTOR CO.
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