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 MANUALSFORD1999CROWN VICTORIA LX, 4.6 9REPAIR AND DIAGNOSISACCESSORIES & EQUIPMENTCRUISE CONTROL SYSTEMSSYSTEM TESTSNOTES
1999 Ford Crown Victoria LX, 4.6 9
System Tests: Notes
1999 Ford Crown Victoria LX, 4.6 9SECTION Notes
SYMPTOM CHART
| Symptom | Perform Test | ||||
|---|---|---|---|---|---|
| Cruise Control Is Inoperative | A | ||||
| Set Speed Fluctuates | B | ||||
| Cruise Control Does Not Disengage When Brakes Are Applied | C | ||||
| COAST Switch Inoperative | D | ||||
| SET/ACCEL Switch Inoperative | E | ||||
| RESUME Switch Inoperative | F | ||||
| OFF Switch Inoperative | G | ||||
| No Dynamic Pull Occurs At Throttle | (1)H | ||||
| Brake Pedal Position Switch Failure (Flash Code 2) | (1)I | ||||
| Deactivator Switch Circuit Failure (Flash Code 3) | (1)J | ||||
| Vehicle Speed Sensor Circuit Failure (Flash Code 4) | (1)K | ||||
| CRUISE CONTROL Light Inoperative | (1)(2) | ||||
| CRUISE CONTROL Light Always On | (1)(2) | ||||
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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.