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Fig. 28: Identifying Recirculation / Fresh Switch Air Conditioning Unit AIR CONDITIONING UNIT REFERENCE DTC B1411/11 ROOM TEMPERATURE SENSOR CIRCUIT DESCRIPTION The room temperature sensor is installed in the instrument panel to detect the room temperature and control the The air conditioning amplifier applies voltage (5 V) to the room temperature sensor and reads voltage changes DTC DETECTION CONDITION CHART Step No. Display Code Condition Blower Level Air Mix Damper Airflow Vent Air Inlet Damper Compressor 1 0 0 0% open FACE FRESH OFF 2 1 1 0% open FACE FRESH OFF 3 2 17 0% open FACE RECIRCULATION/FRESH ON 4 3 17 0% open FACE RECIRCULATION ON 5 4 17 50% open B/L RECIRCULATION ON 6 5 17 50% open B/L RECIRCULATION ON 7 6 17 50% open FOOT FRESH ON 8 7 17 100% open FOOT-0 FRESH ON 9 8 17 100% open F/D FRESH ON 10 9 31 100% open DEF FRESH ON
2009 Toyota Tundra 2009 HVAC Air Conditioning - Tundra
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