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 MANUALSMERCURY1991TRACER BASE, 4D SEDAN, AUTOMATICREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 146 (AIR BAG RESTRAINT SYSTEM)
1991 Mercury Tracer Base, 4D Sedan, Automatic
Section 146 (Air Bag Restraint System)
1991 Mercury Tracer Base, 4D Sedan, AutomaticSECTION Section 146 (Air Bag Restraint System)
WARNING: This page is about a different car, the 1994 Ford Probe. However, it is still accessible from the selected car via links, so may be relevant.
- Identification
- Description & Operation
- Service Precautions
- Disabling & Activating Air Bag System
- Post-Collision Inspection
- Adjustments
- Disposal Procedures
- Removal & Installation
- Testing - System Operation Check
- Wire Repair
- Diagnosis
- Testing - Diagnostic
- Notes
- Test A - Air Bag Warning Light Does Not Light
- Test B - Air Bag Warning Light Stays On
- Code 12 - Loss Of Battery Power To Air Bag Firing Circuit
- Code 13 - Air Bag Module Or Front Impact Sensor Shorted To Ground
- Code 21 - SAFING Sensor Not Mounted To Vehicle Properly
- Code 22 - SAFING Sensor Shorted
- Code 23 - SAFING Sensor Input Feed/Return Circuit Open
- Code 24 - SAFING Sensor Output Feed/Return Circuit Open
- Code 32 - High Resistance Or Open In Driver-Side Air Bag Circuit
- Code 33 - High Resistance Or Open In Passenger-Side Air Bag Circuit
- Code 34 - Low Resistance Or Short In Driver-Side Air Bag Circuit
- Code 35 - Low Resistance Or Short In Passenger-Side Air Bag Circuit
- Code 41 - High Resistance Or Open Front Impact Sensor Circuit
- Code 44 - Right Front Impact Sensor Not Mounted To Vehicle Properly
- Code 45 - Center Impact Sensor Not Mounted To Vehicle Properly
- Code 46 - Left Impact Sensor Not Mounted To Vehicle Properly
- Code 51 - Diagnostic Monitor Internal Thermal Fuse Open
- Code 52 - Back-Up Power Supply Fault
- Code 53 - Diagnostic Monitor Internal Fault
- Rapid Flashing Of Air Bag Light, All Impact Senors Disconnected
- 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.