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 MANUALSFORD2009FUSION SEL, 3.0 1, FWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1721 (SUPPLEMENTAL RESTRAINT SYSTEM)
2009 Ford Fusion SEL, 3.0 1, FWD
Section 1721 (Supplemental Restraint System)
2009 Ford Fusion SEL, 3.0 1, FWDSECTION Section 1721 (Supplemental Restraint System)
WARNING: This page is about a different car, the 2010 Lincoln Town Car. However, it is still accessible from the selected car via links, so may be relevant.
- Specifications
- Description And Operation
- Diagnostic Tests
- Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS)
- Notes
- Principles of Operation
- Notes
- Air Bag Warning Indicator
- Air Bag Module Second Stage Deployment
- Clockspring
- Deployable Steering Column
- Driver Air Bag Module
- Electrical System
- Impact Sensors
- Loops/Squibs
- Occupant Classification Sensor (OCS)
- Passenger Air Bag Deactivation (PAD) Indicator
- Passenger Air Bag Module
- Restraints Control Module (RCM)
- Restraint System Diagnostic Tool Warning
- Safety Belt Buckle Switches
- Safety Belt Retractor Pretensioners
- Safety Belt Tension Sensor (BTS)
- Seat Track Position Sensor
- Secondary Air Bag Warning (Chime)
- Side Air Bag Module
- Diagnostic Instructions
- Air Bag Reconnect Checklist
- Glossary
- Secondary Air Bag Warning
- Air Bag/Pretensioner Restraint System Diagnostic Tools
- Disconnect the Component
- Deactivate the Supplemental Restraint System (SRS)
- Depower the Supplemental Restraint System (SRS)
- Prove Out the Supplemental Restraint System (SRS)
- Reactivate the Supplemental Restraint System (SRS)
- Repower the Supplemental Restraint System (SRS)
- Install a New Component
- Verify the System
- Inspection and Verification
- Symptom Chart
- DTC Charts
- Pinpoint Tests
- Pinpoint Test A: The Air Bag Warning Indicator is Illuminated Continuously - RCM Disconnected or Inoperative, Loss of Battery Feed or Loss of Signal Ground
- Pinpoint Test B: DTC B1869 - Lamp Air Bag Warning Indicator Circuit Open
- Pinpoint Test C: DTC B1870 - Lamp Air Bag Warning Indicator Circuit Short to Battery
- Pinpoint Test D: DTC B1884 - PAD Warning Lamp Circuit Failure
- Pinpoint Test E: DTC B1890 - PAD Warning Lamp Circuit Short to Battery
- Pinpoint Test F: DTC B1891 - Air Bag Tone Warning Indicator Circuit Short to Battery
- Pinpoint Test G: DTC B1892 - Air Bag Tone Warning Indicator Circuit Failure
- Pinpoint Test H: DTC B1921 - Air Bag Diagnostic Monitor Ground Circuit Open
- Pinpoint Test I: DTC B2290 - Occupant Classification System Fault
- Pinpoint Test J: DTC B2292 - Restraint System - Seatbelt Pretensioner Fault
- Pinpoint Test K: DTC B2293 - Restraint System - Airbag Fault
- Pinpoint Test L: DTC B2295 - Restraint System - Side Airbag Fault
- Pinpoint Test M: DTC B2296 - Restraint System - Impact Sensor Fault
- Pinpoint Test N: DTC B2432 - Drivers Seat Belt Buckle Switch Circuit Open
- Pinpoint Test O: DTC B2433 - Drivers Seat Belt Buckle Switch Circuit Short to Battery
- Pinpoint Test P: DTC B2434 - Drivers Seat Belt Buckle Switch Circuit Short to Ground
- Pinpoint Test Q: DTC B2435 - Drivers Seat Belt Buckle Switch Resistance Out of Range
- Pinpoint Test R: DTC B2436 - Passengers Seat Belt Buckle Switch Circuit Open
- Pinpoint Test S: DTC B2437 - Passengers Seat Belt Buckle Switch Circuit Short to Battery
- Pinpoint Test T: DTC B2438 - Passengers Seat Belt Buckle Switch Circuit Short to Ground
- Pinpoint Test U: DTC B2439 - Passengers Seat Belt Buckle Switch Resistance Out of Range
- Pinpoint Test V: DTC B2792 - Cross Link Between Firing Loops
- Pinpoint Test W: DTC B2909 - Belt Tension Sensor Fault
- Pinpoint Test X: DTC B2984 - Deployable Steering Column Circuit Open
- Pinpoint Test Y: DTC B2985 - Deployable Steering Column Circuit Short to Battery
- Pinpoint Test Z: DTC B2986 - Deployable Steering Column Circuit Short to Ground
- Pinpoint Test AA: DTC B2987 - Deployable Steering Column Circuit Resistance Low on Squib
- Pinpoint Test AB: DTC C1414 - Incorrect Module Design Level
- Pinpoint Test AC: DTC C1946 - Front Driver's Seat Track Position Switch Circuit Open
- Pinpoint Test AD: DTC C1947 - Front Driver's Seat Track Position Switch Circuit Short to Ground
- Pinpoint Test AE: DTC C1948 - Front Driver's Seat Track Position Switch Circuit Resistance Out of Range
- Pinpoint Test AF: DTC C1982 - Front Driver's Seat Track Position Switch Circuit Short to Battery
- Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS)
- General Procedures
- Supplemental Restraint System (SRS) Depowering and Repowering
- Supplemental Restraint System (SRS) Deactivation and Reactivation
- Inspection and Repair After a Supplemental Restraint System (SRS) Deployment
- Pyrotechnic Device Disposal
- Disposal of Deployable Devices and Pyrotechnic Devices That are Undeployed/Inoperative
- Disposal of Deployable Devices and Pyrotechnic Devices That Are Deployed
- Disposal of Deployable Devices and Pyrotechnic Devices That Require Manual Deployment
- Driver Air Bag Module, Passenger Air Bag Module and Seat Side Air Bag Modules - Remote Deployment
- Safety Belt Buckle Pretensioners, Safety Belt Retractor Pretensioners and Adaptive Load Limiting Safety Belt Retractors - Remote Deployment
- Safety Belt Buckle Pretensioners, Safety Belt Retractor Pretensioners and Load Limiting Safety Belt Retractors - In-Vehicle Deployment
- Safety Canopy Modules and Side Air Curtain Modules - In-Vehicle Deployment
- Deployable Steering Column - In-Vehicle Deployment
- Removal And Installation
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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.