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 MANUALSVOLVO1991940 TURBO, 4D SEDAN, AW71REPAIR AND DIAGNOSIS (SINGLE PAGE)GENERAL INFORMATIONRESTRAINTSAIR BAG DEACTIVATION PROCEDURESSAABSYSTEM OPERATION CHECK900
1991 Volvo 940 Turbo, 4D Sedan, AW71
System Operation Check: 900
1991 Volvo 940 Turbo, 4D Sedan, AW71SECTION 900
- Turn ignition on. If SRS warning light comes on for about 6 seconds and then goes out, system is operating properly. If light remains on, a fault exists in system.
- If a fault occurs in system while ignition is on, SRS warning light will flash for about 10 minutes and then stay lit. If air bag is deployed, SRS warning light will flash for about 5 seconds and then stay lit.
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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.