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Home >> Ford >> 1989 >> Bronco 5.0 N, Standard, M5OD-R2 >> Repair and Diagnosis >> Brakes >> Traction Control >> Anti-Lock Brake System >> Trouble Codes >> Code 6
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Code 6

  1. Turn ignition off. Disconnect battery. Measure resistance between control module connector pin No. 3 and pin No. 10, while shaking wiring harness between speed sensor and module connector. If resistance is not 1000-2000 ohms and steady, repair short or open in Light Green/Black wire and Red/Pink wire between speed sensor and control module.
  2. If resistance is 1000-2000 ohms and steady, remove speed sensor. Check sensor pole for metal chips. If metal chips are present, disassemble differential and replace exciter ring. no metal chips are present, check exciter ring for damaged teeth. Replace exciter ring (if necessary).
  3. If exciter ring is okay, reconnect all connectors and battery. Remove cap from sensor test connector, located in engine compartment, See Figure . Raise and support vehicle. Start engine.
  4. With rear wheels rotating at 5 MPH, measure voltage between test connector pins. If voltage is 650 mV or more and steady, replace control module. If voltage is less than 650 mV and/or is erratic, replace speed sensor and retest system.
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