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 MANUALSSUBARU2005OUTBACK I, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 44 (HVAC SYSTEM (HEATER, VENTILATOR AND A/C))PRESSURE SWITCH (DUAL SWITCH)INSPECTION
2005 Subaru Outback i, Standard
Pressure Switch (Dual Switch): Inspection
2005 Subaru Outback i, StandardSECTION Inspection
WARNING: This page is about a different car, the 2005 Subaru Baja. However, it is still accessible from the selected car via links, so may be relevant.
- Connect the manifold gauge to the service valve on the high-pressure side.
- Remove the pressure switch harness connector. Using a circuit tester, inspect the ON-OFF operation of the pressure switch.
TESTER CONNECTION SPECIFICATION
| Β | Tester connection | Operation | Specified condition kPa (kg/cm2 , psi) |
|---|---|---|---|
| High and low pressure switch | 1 - 2 | Turns OFF. | Increasing to 2,942+/-196 (30Β°2, 427+/-28) |
| Decreasing to 177+/-25 (1.8+/-0.25, 25.6+/-3.6) | |||
| Turns ON. | Increasing to 216 (2.2, 31) or less | ||
| Decreasing to 2,354+/-196 (24+/-2, 341 +/-28) |
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.