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Cabin Temperature Sensor / Switch: Testing and Inspection

In-vehicle Sensor

Trouble Symptom:
- When turning the AUTO switch to ON, blower fan speed, outlet port and inlet port is not changed.
- If the switch LED indicates that the sensor is malfunctioning, replace the auto A/C control module. The in-vehicle sensor is built into the auto A/C control module and cannot be replaced as a single unit.