mazda Workshop Repair Guides

Mazda Workshop Service and Repair Manuals

Service Port HVAC > < Refrigerant Pressure Sensor / Switch, HVAC|Locations
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Refrigerant Pressure Sensor / Switch: Testing and Inspection

1.

With ignition off, install manifold gauge set.

2.

High pressure reading should be above 33 psi (65 psi on 323). If not, inspect refrigerant system. If correct, go to next step.

3.

Disconnect pressure switch connector and check continuity. Continuity should exist between terminals A and B. If not, replace switch.

Service Port HVAC > < Refrigerant Pressure Sensor / Switch, HVAC|Locations