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Home >> Ford Truck >> 1995 >> F 350 2WD Pickup L6-300 4.9L >> Repair and Diagnosis >> Brakes and Traction Control >> Antilock Brakes / Traction Control Systems >> Testing and Inspection >> Pinpoint Tests >> H DTC 4 Yellow Rear ABS Warning Light Flashes 4 Times >> H2 Verify Integrity of Electronic Control Module Connection

H2 Verify Integrity of Electronic Control Module Connection

- Turn the ignition OFF.

- Disconnect battery ground cable.

- Inspect antilock electronic control module component connector Pin 6.

- Inspect antilock electronic control module harness connector Pin 6.

- Pull gently on Pin 6 wire just behind the antilock electronic control module harness connector.

- Are connections clean and secure?

YES -- Leave antilock electronic control module connector disconnected. Go to H3. H3 Verify Integrity of RABS Valve Connection

NO -- Terminal(s) in antilock electronic control module connector are loose, bent, deformed, corroded, or missing. Service terminal or connector as needed. If not serviceable, Replace antilock electronic control module. Go to H9. H9 Clear DTC/Pull DTC

NO -- terminal 6 in antilock electronic control module harness connector moves back or comes free of connector. Service terminal or connector as needed. Go to H9. H9 Clear DTC/Pull DTC

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