DS4 - Check RABS Sensor Resistance

1994 Ford F 150 2WD Pickup L6-300 4.9LSECTION DS4 - Check RABS Sensor Resistance


- Key "OFF".

- Rear Anti-Lock Brake Sensor (RABS) disconnected.

- Measure the resistance of the RABS.

- Is resistance between 1300 and 1550 ohms?

Yes -- Go to DS5. DS5 - Check PSOM Output Voltage

No -- Replace the RABS. Remove breakout box. Reconnect all components. Rerun quick test. Quick Test Appendix (Detailed Testing Instructions)
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.