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 DIAGNOSISRESTRAINTSAIR BAG, SRSSUPPLEMENTAL INFLATABLE RESTRAINT SYSTEMDIAGNOSIS & TESTINGUSING NGS TESTER
1999 Mercury Tracer LS, 4D Sedan, Standard
Using NGS Tester
1999 Mercury Tracer LS, 4D Sedan, StandardSECTION Using NGS Tester
- Connect New Generation Star (NGS) Tester (007-00500) or equivalent to Data Link Connector (DLC), located under instrument panel, to retrieve continuous diagnostic trouble codes (DTCs) and run self test diagnostics.
- If self test passed and no DTCs are retrieved, go to DIAGNOSTIC SYMPTOMS table.
- If DTCs are retrieved, go to DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION table to continue diagnostics.
- If Electronic Crash Sensor (ECS) module cannot be accessed by NGS tester, go to TEST U to continue diagnostics.
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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.