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System Operation Check

WARNING: This page is about a different car, the 2004 Ford Econoline. However, it is still accessible from the selected car via links, so may be relevant.
  1. When checking air bag system operation (also known as prove out system), and upon completion of each diagnostic test, check for faults in air bag system. To check system, turn ignition switch to ON position. If AIR BAG warning light illuminates for 6 seconds and then goes out, air bag system is functioning properly and no faults exist.
  2. If a fault is detected in air bag system during initial system check, AIR BAG warning light will fail to light, remain lit continuously, or flash a code sequence, indicating a fault in system. Flashing may not occur until about 30 seconds after ignition switch has been turned from OFF to ON position. Number of flashes represents a code number used to diagnose air bag system. See LIGHT FLASH CODES (LFC)  under DIAGNOSTICS. If AIR BAG warning light either fails to light or stays on continuously, perform symptom diagnosis. See DIAGNOSTIC SYMPTOMS  table.
  3. If a system fault exists and AIR BAG warning light fails to light, a chime will sound in a pattern of 5 tones, or a buzzer will sound for 5 seconds on and 5 seconds off, indicating AIR BAG warning light is out and service is required. Air Bag warning light must be repaired before diagnosis can continue.
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