Sequoia 4WD V8-5.7L (3UR-FE) (2009)
Ambient Temperature Sensor / Switch HVAC: Testing and Inspection
HEATING / AIR CONDITIONING: AMBIENT TEMPERATURE SENSOR: INSPECTION
INSPECTION
1. INSPECT AMBIENT TEMPERATURE SENSOR (THERMISTOR ASSEMBLY)
(a) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
NOTE:
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Even slightly touching the sensor may change the resistance value. Be sure to hold the sensor connector.
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When measuring, the sensor temperature must be the same as the ambient temperature.
HINT:
As the temperature increases, the resistance decreases (see the graph).
If the resistance is not as specified, replace the ambient temperature sensor.