Ensure master cylinder reservoir is full and parking brake is fully released. Inspect HCU, ABS relay, 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.
WARNING:
Circuits between ABCM and each sensor are twisted to ensure proper shielding. If any circuit repair is made, ensure wiring is twisted at intervals of one turn per inch (25 mm).