lexus Workshop Repair Guides

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Refrigerant Pressure Sensor / Switch, HVAC > < Evaporator Temperature Sensor / Switch|Locations
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Evaporator Temperature Sensor / Switch: Testing and Inspection

AIR CONDITIONING: EVAPORATOR TEMPERATURE SENSOR: ON-VEHICLE INSPECTION

ON-VEHICLE INSPECTION

1. INSPECT EVAPORATOR TEMPERATURE SENSOR

(a) Disconnect the evaporator temperature sensor connector.
(b) Measure the resistance according to the value(s) in the table below.

Standard resistance:

NOTICE:
-

Even slightly touching the sensor may change the resistance value. Be sure to hold the connector of the sensor.

-

When measuring, the sensor temperature must be the same as the ambient temperature.

HINT: As the temperature increases, the resistance decreases (see the graph).

Refrigerant Pressure Sensor / Switch, HVAC > < Evaporator Temperature Sensor / Switch|Locations