Toyota Sienna Service Manual: Ambient temperature sensor

Toyota Sienna Service Manual / Air conditioning / Ambient temperature sensor

ON-VEHICLE INSPECTION

1. INSPECT A/C AMBIENT TEMPERATURE SENSOR

INSPECT A/C AMBIENT TEMPERATURE SENSOR

(a) Remove the A/C ambient temperature sensor.

(b) Disconnect the connector from A/C ambient temperature sensor.

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).

If the resistance is not as specified, replace the A/C ambient temperature sensor.

Room temperature sensor (for rear air conditioning system)

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Evaporator temperature sensor

ON-VEHICLE INSPECTION 1. INSPECT A/C EVAPORATOR TEMPERATURE SENSOR (a) Remove the A/C evaporator temperature sensor (A/ C thermistor). (b) Disconnect the connector from the A/C evaporator t ...

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