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 147 (AIR BAG RESTRAINT SYSTEM)
1991 Mercury Tracer Base, 4D Sedan, Automatic
Section 147 (Air Bag Restraint System)
1991 Mercury Tracer Base, 4D Sedan, AutomaticSECTION Section 147 (Air Bag Restraint System)
WARNING: This page is about a different car, the 1994 Mercury Tracer and 1994 Ford Escort. However, it is still accessible from the selected car via links, so may be relevant.
- Identification
- Description & Operation
- System Operation Check
- Post-Collision Inspection
- Service Precautions
- Disabling & Activating Air Bag System
- Disposal Procedures
- Removal & Installation
- Diagnosis & Testing
- Diagnostic Tests
- Notes
- Test A - Air Bag Warning Light Does Not Light
- Test B - Air Bag Warning Light Stays On
- Code 12 - Low Battery Voltage
- Code 13 - Air Bag Circuit Shorted To Ground
- Code 14 - 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 Air Bag Circuit
- Code 33 - Terminal No. 7 Not Grounded
- Code 34 - Low Resistance Or Short In Air Bag Circuit
- Wire Repair
- Torque Specifications
- Wiring Diagram
RENDER: 1.0x
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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.