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 MANUALSFORD1991PROBE GL, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)BODY & FRAMEPOWER DOOR LOCKS
1991 Ford Probe GL, Standard
Power Door Locks
1991 Ford Probe GL, StandardSECTION Power Door Locks
- Description & Operation
- Component Locations
- Adjustments
- System Tests
- Pinpoint Test Pl: Power Door Lock Diagnosis
- PL1: Check Power door Lock Function
- PL2: Check Door lock Fuses (Both Locks Not Working)
- PL3: Check Door Lock Supply (Both Locks Not Working)
- PL4: Check Door Lock Ground (Both Locks Not Working)
- PL5: Check Door Lock Switch Supply (Both Locks Not Working)
- PL6: Check Door Lock Signal (Both Locks Not Working)
- PL7: Check Door Lock Motor (Both Locks Not Working)
- PL8: Check Motor Signal (Both Locks Not Working)
- PL9: Check Door Lock Motor (One Lock Not Working)
- PL10: Check Signal Continuity (One Lock Not Working)
- PL11: Check Door Lock Output (One Switch Not Working)
- PL12: Check Switch Supply (One Switch Not Working)
- Pinpoint Test Pl: Power Door Lock Diagnosis
- Removal & Installation
- Wiring Diagrams
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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.