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Home >> Ford >> 1990 >> Thunderbird Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 5 (Anti-Lock Brake System) >> Quick Tests >> Quick Test Qt-1 >> System Integrity Check
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System Integrity Check

WARNING: This page is about a different car, the 1990 Ford Probe and 1989 Ford Probe. However, it is still accessible from the selected car via links, so may be relevant.

Check for sufficient brake fluid, damaged wheel sensors or sensor rotors, leaks, and damaged hydraulic actuation assembly. Check ABS system wiring harness connections, looking for bent or broken pins, corrosion, loose wires, and improper routing. Check all fuses for damage and/or proper connection. Check ABS control module for physical damage. If faults are found, repair faults and go to QUICK TEST QT-2  . If no faults are found, drive vehicle to verify anti-lock brake symptom and go to QUICK TEST QT-2  .

NOTE: Ensure ignition is off before disconnecting or reconnecting any ABS electrical component.