AIR CONDITIONING PRESSURE SENSOR ON-VEHICLE INSPECTION
PROCEDURE
INSPECT AIR CONDITIONING PRESSURE SENSOR
Install a manifold gauge set.
Disconnect the connector from the air conditioning pressure sensor.
-
*a
Component without harness connected
(Air Conditioning Pressure Sensor)
Connect the positive (+) lead of a DC 5 V power source to terminal 3 and the negative (-) lead to terminal 1.
Connect the positive (+) lead of the voltmeter to terminal 2 and the negative (-) lead to terminal 1.
Measure the voltage according to the value(s) in the table below.
Standard Voltage
Tester Connection
Condition
Specified Condition
2 (PR) - 1 (-)
Refrigerant pressure:
0.39 to 3.187 MPa (57 to 463 psi)
0.92 to 4.9 V
If the result is not as specified, replace the air conditioning pressure sensor.