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)SUSPENSIONELECTRONIC SUSPENSIONSUSPENSION - PROGRAMMED RIDE CONTROL
1991 Ford Probe GL, Standard
Suspension - Programmed Ride Control
1991 Ford Probe GL, StandardSECTION Suspension - Programmed Ride Control
- Description
- Operation
- Programmed Ride Control Component Locations
- Testing
- Symptom Directory
- Self-Diagnostics
- Diagnostic Procedure
- Visual Inspection
- Equipment Connection
- Key On Engine Off Test
- Continuous Monitor Test
- Pinpoint Test Preparation
- Pinpoint Test A1: System Integrity
- Pinpoint Test A2: Circuit Continuity Check
- Pinpoint Test A3: Short To Ground Check
- Pinpoint Test A4: Speed Sensor Function (Analog Only)
- Pinpoint Test A5: Short To VAPS Module
- Pinpoint Test B1
- Pinpoint Test B2
- Pinpoint Test B3
- Pinpoint Test B4
- Pinpoint Test B5
- Pinpoint Test B6
- Pinpoint Test B7
- Pinpoint Test C1
- Pinpoint Test C2
- Pinpoint Test C3
- Pinpoint Test C4
- Pinpoint Test C5
- Pinpoint Test C6
- Pinpoint Test C7
- Pinpoint Test C8
- Pinpoint Test C9
- Pinpoint Test C10
- Pinpoint Test C11
- Pinpoint Test D1: System Integrity Check
- Pinpoint Test D2: Right Rear Actuator Voltage
- Pinpoint Test D3: Left Rear Actuator Voltage
- Pinpoint Test D4: Right Rear Actuator Integrity
- Pinpoint Test D5: Left Rear Actuator Integrity
- Pinpoint Test D6: Right Rear Actuator Voltage
- Pinpoint Test D7: Right Rear Actuator Power
- Pinpoint Test D8: Left Rear Actuator Voltage
- Pinpoint Test D9: Left Rear Actuator Power
- Pinpoint Test D10: Right Rear Actuator Short To Ground
- Pinpoint Test D11: Left Rear Actuator Short To Ground
- Pinpoint Test Q1: System Integrity Check
- Pinpoint Test Q2: PRC Control Module Power
- Pinpoint Test Q3: PRC Control Module Grounds
- Pinpoint Test Q4: Test Connector Ground
- Pinpoint Test Q5: Test Connector Continuity
- Pinpoint Test Q6: Test Connector Short To Ground
- Pinpoint Test Q7: Test Connector To VAPS Module
- Pinpoint Test Q8: Ride Selector Switch Power
- Pinpoint Test Q9: Ride Selector Switch Ground
- Pinpoint Test Q10: Module/Ride Selector Switch Continuity
- Pinpoint Test Q11: PRC Circuit Short To Ground
- Pinpoint Test Q12: Ride Selector Switch Operation
- Wiring Diagram
- Removal & Installation
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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.