Pickup 4WD V6-180.5 2959cc 3.0L SOHC (3VZ-E) (1990)
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Refrigerant Pressure Sensor / Switch: Testing and Inspection
DUAL PRESSURE SWITCH ON-VEHICLE INSPECTION
1. Disconnect negative cable from battery.
2. Remove glove box.
3. Inspect pressure switch.
A. Install the manifold gauge set.
B. Observe the gauge reading.
C. Check the continuity between the two terminals of the pressure switch shown in the below. If defective, replace the pressure switch.
