Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSSUBARU1998FORESTER L, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)BRAKESTRACTION CONTROLANTI-LOCK BRAKE SYSTEMDIAGNOSTIC TESTSTEST 11: STOPLIGHT SWITCH PROBLEM
1998 Subaru Forester L, Standard
Test 11: Stoplight Switch Problem
1998 Subaru Forester L, StandardSECTION Test 11: Stoplight Switch Problem
- Press brake pedal. If stoplights illuminate, go to next step. If stoplights do not illuminate, repair stoplight circuit.
- Turn ignition off. Disconnect ABSCM/HU connector. Press brake pedal. Measure voltage between ground and ABSCM/HU connector terminal No. 2. If voltage is 10-15 volts, go to next step. If voltage is not 10-15 volts, repair wiring harness between stoplight switch and ABSCM/HU.
- Check stoplight switch and ABSCM/HU connector contacts. Repair contacts as needed. Go to next step.
- Reconnect all connectors. Erase memory. Recheck for trouble codes. If same trouble code returns, replace ABSCM/HU. If other trouble codes exist, go to proper test procedure. If no trouble codes exist, problem was a temporary poor contact. Recheck harness and connectors.
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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.