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HOMESERVICE MANUALSMAZDA20105 SPORT, 2.3 L, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1 (ENGINE CONTROLS - SYSTEM & COMPONENT TESTING)ENGINE SENSORS & SWITCHESPOWER STEERING PRESSURE (PSP) SWITCH
2010 Mazda 5 Sport, 2.3 L, Standard

Power Steering Pressure (PSP) Switch

2010 Mazda 5 Sport, 2.3 L, StandardSECTION Power Steering Pressure (PSP) Switch
WARNING: This page is about a different car, the 2001 Mazda Protege, 2001 Mazda Millenia, 2001 Mazda MX-5 Miata, 2001 Mazda MPV, and 2001 Mazda 626. However, it is still accessible from the selected car via links, so may be relevant.

Disconnect PSP switch connector. Connect ohmmeter between PSP switch and ground. Start engine and operate at idle. Turn steering wheel from side to side and observe ohmmeter. Continuity should be present when steering wheel is fully turned. Continuity should not be present when steering wheel is straight ahead. If continuity is not as specified, replace PSP switch.

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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.