Trouble Codes Cannot Be Retrieved

1998 Subaru Forester L, StandardSECTION Trouble Codes Cannot Be Retrieved
  1. Measure resistance between ground and diagnostic terminals. See Figure . If resistance is less than .5 ohm, go to next step. If resistance is more than .5 ohm, repair diagnostic terminal wiring harness.
  2. Turn ignition off. Connect diagnostic terminal to ABS diagnostic connector terminal No. 6. See Figure . Disconnect ABSCM/HU connector. Measure resistance between ground and ABSCM/HU connector terminal No. 4. See Figure . If resistance is less than .5 ohm, go to next step. If resistance is more than .5 ohm, repair wiring harness between diagnostic connector or ABSCM/HU connector.
  3. Check contact at ABSCM/HU connector. If connector contacts are poor, repair connector. If contacts are okay, replace ABSCM/HU.
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When to See a Mechanic

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

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