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 MANUALSMERCURY1999TRACER LS, 4D SEDAN, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)BODY & FRAMEDOOR LOCKSREMOTE KEYLESS ENTRY SYSTEMSSYSTEM TESTSNOTES

1999 Mercury Tracer LS, 4D Sedan, Standard

System Tests: Notes

1999 Mercury Tracer LS, 4D Sedan, StandardSECTION Notes

Before beginning any system testing, perform PRELIMINARY PROCEDURE under SELF-DIAGNOSTIC SYSTEM. If no DTCs are retrieved in preliminary procedure, go to appropriate system test in SYSTEM TEST INDEX table.

SYSTEM TEST INDEX

Symptom

Perform System Test

All Door Locks Are Inoperative (Driver's Door Only Remote System)

All Door Locks Are Inoperative Using Remote Transmitter-All Door System

Luggage Compartment Door Is Inoperative Using Remote Transmitter And Luggage Compartment Door Release Switch

No Communication With RAP Module

DTC 2425

Horn Chirp Is Inoperative In Program Mode (On Vehicles Sold In Mexico)

Single Door Lock Is Inoperative (Driver's Door Only remote System)

Illuminated Entry Does Not Operate Using Remote Transmitter

⁽¹⁾

Panic Alarm Feature Does Not Operate Properly - Lock And Unlock Operate Properly Using Remote Transmitter

⁽²⁾

Luggage compartment Lid Is Inoperative Using Luggage Compartment Lid Release Switch.

⁽³⁾

⁽¹⁾	See appropriate wiring diagram in ILLUMINATION/INTERIOR LIGHTS article. Repair or replace wiring as necessary.

⁽²⁾	See appropriate ANTI-THEFT SYSTEM article to continue diagnosis.

⁽³⁾	See appropriate POWER DOOR LOCKS & TRUNK RELEASE article to continue diagnosis.

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.