scion Workshop Repair Guides

Scion Workshop Service and Repair Manuals

A/C Pressure Sensor/Switch - Cooling Fan|Testing and Inspection|Page 4769 > < Heater Lockout Switch|Locations|Page 4764
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A/C Pressure Sensor/Switch - Cooling Fan: Testing and Inspection

AIR CONDITIONING PRESSURE SENSOR

ON-VEHICLE INSPECTION

1. CHECK PRESSURE SENSOR

a. Check the wire harness.

1. Disconnect the connector from the pressure sensor.

2. Measure the resistance of the wire harness side connector.

3. Measure the voltage of the wire harness side connector.

b. Check the pressure sensor.

1. Set the manifold gauge.
2. Connect the connector to the pressure sensor.
3. Warm up the engine.
4. Turn the A/C switch ON.

A/C Pressure Sensor/Switch - Cooling Fan|Testing and Inspection|Page 4769 > < Heater Lockout Switch|Locations|Page 4764