Celica 2WD L4-2.0L (3S-FE) (1988)
Cabin Temperature Sensor / Switch: Testing and Inspection
In-Car Sensor
Check the sensor resistance (See chart for temperature and resistance relationship).
NOTE: If there is an open circuit in the sensor, the system will operate at maximum heating. Conversely, if there is a short in the system, it will
operate at maximum cooling.