T100 SR5 Extra Cab Pickup 2WD V6-3.4L (5VZ-FE) (1997)
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Refrigerant Pressure Sensor / Switch: Testing and Inspection
ON-VEHICLE INSPECTION
1. INSTALL MANIFOLD GAUGE SET
See: Service and Repair/Manifold Gauge Installation/Removal
2. REMOVE GLOVE COMPARTMENT DOOR
3. DISCONNECT CONNECTOR OF COOLING UNIT
4. RUN ENGINE AT APPROX. 2000 RPM
5. INSPECT PRESSURE SWITCH OPERATION
Using an ohmmeter, check the continuity between terminals 3 and 4, when refrigerant pressure is changed. as shown.
If operation is not as specified, replace the pressure switch.
