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 MANUALSFORD1999MUSTANG GT, 2D CONVERTIBLE, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)RESTRAINTSAIR BAG, SRSSUPPLEMENTAL INFLATABLE RESTRAINT SYSTEM
1999 Ford Mustang GT, 2D Convertible, Standard
Supplemental Inflatable Restraint System
1999 Ford Mustang GT, 2D Convertible, StandardSECTION Supplemental Inflatable Restraint System
- Description & Operation
- Service Precautions
- Adjustments
- Disabling & Activating Air Bag System
- Disposal Procedures
- Post-Collision Inspection
- Removal & Installation
- System Operation Check
- Diagnosis & Testing
- Diagnostic Tests
- Notes
- Test A: Air Bag Warning Light On Continuously - RCM Disconnected, Inoperative Or Lost/Low Ignition Feed
- Test B: RCM Internal Fault (DTC B1342)
- Test C: Crash Data Memory Full (DTC B1231)
- Test D: RCM Bracket Ground Resistance High (DTC B1921)
- Test E: Incorrect Vehicle Identification Code (DTC C1414)
- Test F: Driver Air Bag Circuit Short To Ground (DTC B1887)
- Test G: Driver Air Bag Circuit Short To Battery Or Ignition (DTC B1916)
- Test H: Passenger Air Bag Circuit Short To Ground (DTC B1888)
- Test I: Passenger Air Bag Circuit Short To Battery Or Ignition (DTC B1925)
- Test J: Driver Air Bag Resistance High (DTC B1932)
- Test K: Passenger Air Bag Circuit Resistance High (DTC B1933)
- Test L: Driver Air Bag Circuit Low Resistance (DTC B1934)
- Test M: Passenger Air Bag Resistance Low (DTC B1935)
- Test N: Air Bag Tone Warning Indicator Circuit Short To Ground Or Open (DTC B1892)
- Test O: Air Bag Tone Warning Indicator Circuit Short To Battery Or Ignition (DTC B1891)
- Test P: Air Bag Warning Light Inoperative (DTC B1869)
- Test Q: Air Bag Warning Light Circuit Short To Battery (DTC B1870)
- Test R: No Communication With RCM
- Wire Repair
- Torque Specifications
- Wiring Diagrams
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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.