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 MANUALSMERCURY1993SABLE GS, 4D SEDAN, 3.0 U, AXODEREPAIR AND DIAGNOSIS (SINGLE PAGE)STEERINGPOWER STEERINGSTEERING SYSTEM - POWERQUICK TESTSQUICK TEST A2MODULE CHECK
1993 Mercury Sable GS, 4D Sedan, 3.0 U, AXODE
Module Check
1993 Mercury Sable GS, 4D Sedan, 3.0 U, AXODESECTION Module Check
- Turn ignition off. Connect voltmeter as in QUICK TEST A1. Using jumper wire, ground circuit No. 200. Start engine. Rotate steering wheel in both directions for 90 seconds. Note changes in required turning effort. Effort should vary noticeably.
- After 90 seconds, if system is okay, voltmeter will indicate a sweep pattern between battery voltage and zero. Pattern will repeat 4 times, there will be 5-second delay and pattern will repeat again. If system malfunctions, 6 or no sweeps will occur.
- If effort changes with sweeps, proceed to QUICK TEST A4 . If effort is unchanged with 4 sweeps, proceed to QUICK TEST A7 . If 2 sweeps are observed, proceed to QUICK TEST A19 . If no effort change is noted with zero or 6 sweeps, proceed to QUICK TEST A12 . If effort change is noted with zero or 6 sweeps, proceed to QUICK TEST A20 .
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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.