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 MANUALSSATURN1992SL1 AUTOMATICREPAIR AND DIAGNOSISBRAKESTRACTION CONTROLANTI-LOCK BRAKE SYSTEMPINPOINT TESTSCODE 91 - BRAKE SWITCH OPEN DURING NORMAL STOPDIAGNOSTIC AIDS
1992 Saturn SL1 Automatic
Diagnostic Aids
1992 Saturn SL1 AutomaticSECTION Diagnostic Aids
- Suspected intermittents or opens at connectors can be detected with diagnostic service probe which permits voltage to be measured on wires without unplugging connectors. Ensure all terminals make good connection.
- When diagnosing intermittent problems, select MALF HISTORY from "Scan" tester ABS menu. Supplemental data can be used to duplicate problem.
- Brake switch is normally held open by brake pedal. Pressing brake allows switch to close.
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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.