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 MANUALSMAZDA20096 V6-3.7LREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSPOWER STEERING PRESSURE SWITCHTESTING AND INSPECTION
2009 Mazda 6 V6-3.7L
Power Steering Pressure Switch: Testing and Inspection
2009 Mazda 6 V6-3.7LSECTION Testing and Inspection
POWER STEERING PRESSURE (PSP) SWITCH INSPECTION [MZI-3.7]
Continuity Inspection
1. Disconnect the PSP switch connector.
2. Start the engine.
3. Verify no continuity between the PSP switch terminals while rotating the steering wheel.
- If there is continuity, replace the PSP switch. Overhaul
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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.