System Testing: Notes

1998 Mercury Tracer GS, AutomaticSECTION 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.

SYSTEM TEST INDEX

Symptom Perform System Test
All Door Locks Are Inoperative (Driver Door Only Remote System) A 
All Door Locks Are Inoperative (4-Door Only Remote System) B 
Luggage Compartment Door Is Inoperative Using Remote Transmitter C 
Illuminated Entry Does Not Operate Using Remote Transmitter (1)
Panic Alarm Does Not Operate Properly Using Remote Transmitter (2)
No Communication With RAP Module D 
Horn Chirp Is Inoperative In Program Mode (Mexico Anti-Theft System Only) E 
Single Door Lock Is Inoperative (Driver Door Only remote System) F 
(1) See appropriate wiring diagram in ILLUMINATION/INTERIOR LIGHTS article. Repair or replace wiring as necessary.
(2) See ANTI-THEFT SYSTEM 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.