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 MANUALSMERCURY1998MOUNTAINEER 5.0 P, AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 8 (ANTI-THEFT SYSTEM)
1998 Mercury Mountaineer 5.0 P, AWD
Section 8 (Anti-Theft System)
1998 Mercury Mountaineer 5.0 P, AWDSECTION Section 8 (Anti-Theft System)
WARNING: This page is about a different car, the 1997 Mercury Mountaineer and 1997 Ford Explorer. However, it is still accessible from the selected car via links, so may be relevant.
- Description
- Operation
- Component Testing
- System Testing
- Notes
- Self-Test
- Test A: DTC B1562 Door Lock Cylinder Circuit Shorted To Ground
- Test B: DTC B1522 Hood Switch Circuit Shorted To Ground
- Test C: DTC B1845 Ignition Lock Anti-Theft Switch Circuit Failure
- Test D: No Module Communication With Rap Module
- Test E: Alarm System Does Not Arm Or Disarm Properly
- Test F: Alarm System Does Not Disarm After Activation
- Test G: Alarm Indicator Does Not Turn On To Indicate Arming
- Test H: Horn, Headlights/Exterior Lights Always On Continuously
- Test J: System Activates Falsely
- Removal & Installation
- Wiring Diagrams
RENDER: 1.0x
NO RELATED
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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.