System Operation Check

1991 Volvo 740 Base, 4D Wagon, Automatic, AW70LSECTION System Operation Check

Turn ignition switch to ACC or ON position. AIR BAG warning light should illuminate and go out after approximately 6 seconds. If AIR BAG warning light stays illuminated for more than 6 seconds with ignition switch in ACC or ON position, SRS system is malfunctioning and needs repair. If AIR BAG warning light illuminates with ignition off, a short circuit is likely in the AIR BAG warning light circuit.

WARNING: To avoid injury from accidental air bag deployment, read and carefully follow all WARNINGS and SERVICE PRECAUTIONS. SERVICE PRECAUTIONS
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.