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)SYSTEM TESTINGNOTES
1998 Mercury Mountaineer 5.0 P, AWD
System Testing: Notes
1998 Mercury Mountaineer 5.0 P, AWDSECTION Notes
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.
TEST INDEX
| Symptom | (1) Go To Test | ||
|---|---|---|---|
| DTC B1562: Door Lock Cylinder Circuit Shorted To Ground | A | ||
| DTC B1522: Hood Switch Circuit Shorted To Ground | B | ||
| DTC B1845: Ignition Lock Anti-Theft Switch Circuit Failure | C | ||
| DTCs B1322, B1330, B1334, B1338 & B1574: Door Ajar Circuit Short To Ground | E (Step 8) | ||
| No Module Communication With RAP Module | D | ||
| Alarm System Does Not Arm Or Disarm Properly | E | ||
| Alarm System Does Not Disarm After Activation | F | ||
| Alarm Indicator Does Not Turn On To Indicate Arming | G | ||
| Horn, Headlights/Exterior Lights Always On Continuously | H | ||
| System Activates Falsely | J | ||
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NOTE:
A New Generation Star (NGS) tester is required for system testing.
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.