Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET1997ASTRO VAN 2WD V6-4.3L VIN WREPAIR AND DIAGNOSISRELAYS AND MODULESRELAYS AND MODULES - RESTRAINTS AND SAFETY SYSTEMSAIR BAG CONTROL MODULESERVICE AND REPAIRFRONTAL SIR SYSTEM REMOVE OR DISCONNECT
1997 Chevrolet Astro Van 2WD V6-4.3L VIN W
Frontal SIR System Remove or Disconnect
1997 Chevrolet Astro Van 2WD V6-4.3L VIN WSECTION Frontal SIR System Remove or Disconnect
Remove or Disconnect
Disable the SIR system, Refer to Air Bag(s) Arming and Disarming.
1. The driver seat.
2. The carpet retaining sill trim molding-LH.
3. Fold back the carpet to access Sensing and Diagnostic Module (SDM).
4. The Connector Position Assurance (CPA) and the electrical connector.
5. The fasteners from the inflatable restraint Sensing Diagnostic Module (SDM).
6. The inflatable restraint Sensing Diagnostic Module (SDM) from the vehicle.
Important
The following repair procedures should only be used in the event that the inflatable restraint Sensing Diagnostic Module (SDM) mounting studs and/or fasteners are damaged to the extent that the SDM can no longer be properly mounted.
Disable the SIR system, Refer to Air Bag(s) Arming and Disarming.
1. The driver seat.
2. The carpet retaining sill trim molding-LH.
3. Fold back the carpet to access Sensing and Diagnostic Module (SDM).
4. The Connector Position Assurance (CPA) and the electrical connector.
5. The fasteners from the inflatable restraint Sensing Diagnostic Module (SDM).
6. The inflatable restraint Sensing Diagnostic Module (SDM) from the vehicle.
Important
The following repair procedures should only be used in the event that the inflatable restraint Sensing Diagnostic Module (SDM) mounting studs and/or fasteners are damaged to the extent that the SDM can no longer be properly mounted.
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.