Camry L4-2.4L (2AZ-FXE) Hybrid (2007)
Refrigerant Pressure Sensor / Switch: Testing and Inspection
AIR CONDITIONING: AIR CONDITIONING PRESSURE SENSOR: ON-VEHICLE INSPECTION
ON-VEHICLE INSPECTION
1. INSPECT PRESSURE SENSOR
(a) Install the manifold gauge set See: Testing and Inspection/Component Tests and General Diagnostics/Refrigerant.
(b) Connect the three 1.5 V dry cell batteries' positive (+) lead to terminal 3, and the negative (-) lead to terminal 1. Then connect the voltmeter's
positive (+) lead to terminal 2, and the negative (-) lead to terminal 1. Measure the voltage.
OK:
The voltage changes according to refrigerant pressure, as shown in the graph.
If the voltage is not as specified, replace the pressure sensor.