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Home >> Lincoln >> 2000 >> LS 3.9 A >> Repair and Diagnosis >> Brakes >> Traction Control >> Anti-Lock/Traction Control/Stability Assist >> Diagnosis & Testing >> Visual Inspection

Visual Inspection

  1. Verify customer concern by operating system.
  2. Ensure master cylinder reservoir is full and parking brake is fully released. Inspect HCU, brake position switch, wheel speed sensors and brake lines for damage. Inspect wheel bearings for looseness or damage. Repair items as necessary. Ensure all ABS system fuses are okay. See WIRING DIAGRAMS  . Check ABS warning indicator bulb. Check for damage to wiring harness. Check for loose or corroded connectors. Make necessary repairs.
  3. Inspect ABCM, ABS sensor, TCS/ADVANCE TRAC switch, steering wheel rotation sensor, brake booster solenoid and release switch, primary and secondary pressure transducers, yaw rate sensor and accelerometer for damage.
  4. If problem remains after inspection, retrieve trouble codes. See RETRIEVING DIAGNOSTIC TROUBLE CODES  . If DTCs are retrieved, go to STABILITY ASSIST MODULE DIAGNOSTIC TROUBLE CODE INDEX  table. Perform appropriate test. If no DTCs related to concern are retrieved, see SYMPTOM DIAGNOSIS  . If ABS control module cannot be accessed using scan tool, see appropriate MODULE COMMUNICATIONS NETWORK article in ACCESSORIES & EQUIPMENT.
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