Testing - System Operation Check

1992 Ford Tempo LX, 2.3 X, StandardSECTION Testing - System Operation Check
  1. Whenever checking air bag system operation, and at completion of each circuit test, technician should check for faults in air bag system. To check system, turn ignition switch to RUN position. If AIR BAG warning light illuminates 4-8 seconds then goes out, air bag system is functioning properly and no fault codes exist.
  2. If a fault code is detected in air bag system during initial system check, AIR BAG warning light will fail to light, stay on continuously, or flash a code sequence. If AIR BAG warning light flashes, indicating a fault in system, count number of flashes after fault code has cycled twice. Number of flashes represents a code number used to diagnose air bag system. See DIAGNOSIS & TESTINGΒ  .
  3. If a system fault code exists and AIR BAG warning light fails to illuminate, an audible tone will be heard indicating AIR BAG warning light is out and service is required.
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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.