Cabin Temperature Sensor / Switch: Testing and Inspection

Individual Inspection

In Car Sensor

1. Disconnect the in car sensor connector (I-17).




2. Measure resistance between the in car sensor side terminal No. I17-3 and No. I17-4.

In Car Sensor

1. Turn on the ignition switch (the engine is started). Start the air conditioner in "Auto".
2. Make sure that the in car sensor suctions cigarette smokes and such.

In Car Sensor




1. Dismount the in car sensor from the automatic heater/air conditioner control unit. Connect (+) end and (-) end of the battery to the aspirator motor side terminals No. I17-1 and No. I17-2, respectively, then check if the motor runs normally.