General Description
Intake door located at heater unit controls the inlet of car. It contains intake motor that changes intake door position and potentiometer that monitors position of intake door. When driver operates the intake switch, ECU receives mode signal from intake switch and operates intake door motot to turn intake door to intended position. (with FRE mode signal, intake door is closed and with REC mode signal, intake door is opened) In operation, potentiometer delivers intake door position transformed into voltage value to A/C ECU.
DTC Description
Airconditioner Control Module sets DTC B1208 if the Feed Back signal of Intake Actuator has been detected open or below 0.1V for 0.1 seconds.
Intake door located at heater unit controls the inlet of car. It contains intake motor that changes intake door position and potentiometer that monitors position of intake door. When driver operates the intake switch, ECU receives mode signal from intake switch and operates intake door motot to turn intake door to intended position. (with FRE mode signal, intake door is closed and with REC mode signal, intake door is opened)In operation, potentiometer delivers intake door position transformed into voltage value to A/C ECU.
Airconditioner Control Module sets DTC B1209 if the Feed Back signal of Intake Actuator has been detected over 4.9V for 0.1 seconds.
It contains a thermistor which measures the temperature of the inside. The signal, decided by the resistance value which changes in accordance with perceived inside temperature, is delivered to heater control unit. According to this signal, the control unit regulates incar temperature to intended value.
Air conditioner Control Module sets DTC B1233 if Incar temperature sensor has been detected below 0.1V for 4 seconds.
It contains a thermistor which measures the temperature of the inside. The signal, decided by the resistance value which changes in accordance with perceived inside temperature, is delivered to heater control unit. According to this signal, the control unit regulates incar temperature to intended value.
Air conditioner Control Module sets DTC B1234 if Incar temperature sensor has been detected over 4.9V for 4 seconds.
The ambient temperature sensor located at the center stay of the condenser detects ambient air temperature. It is a negative type thermistor whose resistance is inversely proportional to temperature. Its output is used for sensor fail-safe, temperature regulation door lock, blower motor level control, mix mode control and in-car humidity control.
Air conditioner Control Module sets DTC B1237 if Ambient sensor has been detected below 0.1V for 4 seconds.
The ambient temperature sensor located at the center stay of the condenser detects ambient air temperature. It is a negative type thermistor whose resistance is inversely proportional to temperature. Its output is used for sensor fail-safe, temperature regulation door lock, blower motor level control, mix mode control and in-car humidity control.
Air conditioner Control Module sets DTC B1238 if Ambient sensor has been detected over 4.9V for 4 seconds.
Temperature control actuator located at heater unit. It contains temp motor that changes temp door position and potentiometer that monitors position of temp door. Temperature control actuator regulates the temperature by the procedure as follows. Signal from control unit adjusts position of temp door by operating temp motor and then temperature will be regulated by the hot/cold air ratio decided by position of temp door. In operation, potentiometer delivers temp door position transformed into voltage value to A/C ECU.
Air conditioner Control Module sets DTC B1246 if Feedback signal of Driver Temperature Actuator has been detected over 4.9V for 100ms.
The mode control actuator mounted on heater unit adjusts position of mode door by operating Direction Motor based on signal of A/C control unit. Pressing mode select switch makes the mode control actuator shift in order of vent--> B/L --> floor --> mix.
Air conditioner Control Module sets DTC B1249 if Feedback signal of Mode Actuator has been detected below 0.1V for 100ms.
The Evaporator sensor located on heater unit detects the core temperature. It is a negative type thermistor whose resistance is inversely proportional to temperature. Evaporator sensor transforms measured temperature into voltage value and delivers it to A/C ECU. when core temperature is blow threshold value, A/C ECU interrupts compressor relay power, in order to prevent evaporator freezing by excessive cooling.
Air conditioner Control Module sets DTC B1241 if Evaporator sensor has been detected below 0.1V for 4 seconds.
The Evaporator sensor located on heater unit detects the core temperature. It is a negative type thermistor whose resistance is inversely proportional to temperature. Evaporator sensor transforms measured temperature into voltage value and delivers it to A/C ECU. when core temperature is blow threshold value, A/C ECU interrupts compressor relay power, in order to prevent evaporator freezing by excessive cooling.
Air conditioner Control Module sets DTC B1242 if Evaporator sensor has been detected over 4.9V for 4 seconds.
Temperature control actuator located at heater unit. It contains temp motor that changes temp door position and potentiometer that monitors position of temp door. Temperature control actuator regulates the temperature by the procedure as follows. Signal from control unit adjusts position of temp door by operating temp motor and then temperature will be regulated by the hot/cold air ratio decided by position of temp door. In operation, potentiometer delivers temp door position transformed into voltage value to A/C ECU.
Air conditioner Control Module sets DTC B1245 if Feedback signal of Driver Temperature Actuator has been detected open or below 0.1V for 100ms.
The mode control actuator mounted on heater unit adjusts position of mode door by operating Direction Motor based on signal of A/C control unit. Pressing mode select switch makes the mode control actuator shift in order of vent--> B/L --> floor --> mix.
Air conditioner Control Module sets DTC B1250 if Feedback signal of Mode Actuator has been detected over 4.9V for 100ms.
Auto defogger sensor is installed on front window glass. Auto defogger sensor judges and sends signal for the occurrence of moisture in advance of blowing out the wind for defogging. Air conditioner control module receives signal from auto defogger and performs restraining moisture and eliminating in advance with automatically controlling Intake actuator, A/C, Defogger actuator, Blower motor rpm, Mode actuator.
The Air conditioner Control Module sets DTC B1281 if The signal from auto defogger sensor has been detected Communication Fail or Short to ground or Short to Battery in ground circuit.
Auto defogger sensor is installed on front window glass. For safety driving, Auto defogger sensor judges and sends signal of the occurrence of moisture in advance of blowing out the wind for defogging with improvement of visibility and comfort. While controlling the temperature and Mode(direction of wind) set by driver, if the humidity is higher than certain level, Air conditioner control Module automatically controls auto defogging mode. Air conditioner control module changes to go back to the previous driver set mode, if the humidity is decreased.
Air conditioner control Module automatically controls Intake actuator, A/C, Defogger actuator, Blower motor rpm, Mode actuator in accordance with the amount of humidity on the front glass.
The Air conditioner Control Module sets DTC B1283 if The signal from auto defogger sensor has been detected 0.5V for 0.1 seconds.
Auto defogger sensor is installed on front window glass. For safety driving, Auto defogger sensor judges and sends signal of the occurrence of moisture in advance of blowing out the wind for defogging with improvement of visibility and comfort. While controlling the temperature and Mode(direction of wind) set by driver, if the humidity is higher than certain level, Air conditioner control Module automatically controls auto defogging mode. Air conditioner control module changes to go back to the previous driver set mode, if the humidity is decreased.
Air conditioner control Module automatically controls Intake actuator, A/C, Defogger actuator, Blower motor rpm, Mode actuator in accordance with the amount of humidity on the front glass.
The Air conditioner Control Module sets DTC B1284 if The signal from auto defogger mode actuator has been detected 4.5V for 0.1 seconds.
Auto defogger sensor is installed on front window glass. For safety driving, Auto defogger sensor judges and sends signal of the occurrence of moisture in advance of blowing out the wind for defogging with improvement of visibility and comfort. While controlling the temperature and Mode(direction of wind) set by driver, if the humidity is higher than certain level, Air conditioner control Module automatically controls auto defogging mode. Air conditioner control module changes to go back to the previous driver set mode, if the humidity is decreased.
Air conditioner control Module automatically controls Intake actuator, A/C, Defogger actuator, Blower motor rpm, Mode actuator in accordance with the amount of humidity on the front glass.
The Air conditioner Control Module sets DTC B1285 if auto defogger mode actuator has not been moved to the mode, where air condition control module controls, within 10 seconds.
Air conditioner control module receives air conditioner refrigerants pressure from ECM via CAN in order to judge how much refrigerants pressure is in the line. If the air conditioner pressure is abnormal, it is used for signal not to control the air conditioner compressor.
The Air conditioner Control Module sets DTC B1672 if APT signal has not been received through the CAN signal.
In order to make a variable control for a compressor based on engine's load, the air-conditioner control module receives its engine RPM signals from the engine ECU.
The Air conditioner Control Module sets DTC B1685 if Engine RPM signal has not been received through the CAN signal.
Air conditioner Control Module detects ambient temperature only when vehicle is driving. To judge whether vehicle is driving or not, Air conditioner control module receives vehicle speed signal from ESC through the CAN signal.
The Air conditioner Control Module sets DTC B1686 if vehicle speed signal has not been received through the CAN signal.
In case of engine cold starting, Air conditioner control module receives engine coolant temperature sensor signal through the CAN signal so that Mode is changed to DEF with controlling mode actuator.
The Air conditioner Control Module sets DTC B1687 if engine temperature sensor signal has not been received through the CAN signal.
The Cluster Ionizer makes a disinfection and decomposition of a bad smell from the air-conditioner or inflow air. And it cleans inside air of a vehicle. When running an air-conditioner or heater, it starts with "CLEAN MODE" on it and repeats from "CLEAN MODE" to "ION MODE" and from "ION MODE" to "CLEAN MODE" every 15 minutes.
In the CLEAN MODE, the cluster ionizer generates negative ions and positive ions and makes a disinfection and decomposition of a bad smell from the air-conditioner or an inflow air. The cluster ionizer has functions as follows; a deodorization effect, a disinfection effect, and an air-cleaning effect.
It has an operation indicator lamp on the upper side of its display area and shows whether it is operating or not. In the ION MODE, the cluster ionizer generates negative ions and cleans inside air of a vehicle. It has an operation indicator lamp on the lower side of its display area and shows whether if is operating or not.
If the voltage of the cluster ionizer's diagnosis line is lower than 1.5V, the air-control module sets DTC B1688.
Temperature control actuator located at heater unit. It contains temp motor that changes temp door position and potentiometer that monitors position of temp door. Temperature control actuator regulates the temperature by the procedure as follows. Signal from control unit adjusts position of temp door by operating temp motor and then temperature will be regulated by the hot/cold air ratio decided by position of temp door. In operation, potentiometer delivers temp door position transformed into voltage value to A/C ECU.
Air conditioner Control Module sets DTC B2406 if Driver air mix actuator has not been moved to the mode, where air condition control module controls, within 10 seconds.
Intake door located at heater unit controls the inlet of car. It contains intake motor that changes intake door position and potentiometer that monitors position of intake door. When driver operates the intake switch, ECU receives mode signal from intake switch and operates intake door motot to turn intake door to intended position. (with FRE mode signal, intake door is closed and with REC mode signal, intake door is opened)In operation, potentiometer delivers intake door position transformed into voltage value to A/C ECU.
Air conditioner Control Module sets DTC B2408 if Intake actuator has not been moved to the mode, where air condition control module controls, within 10 seconds.
The mode control actuator mounted on heater unit adjusts position of mode door by operating Direction Motor in accordance with signal of A/C control unit. Pressing mode select switch makes the mode control actuator shift in order of vent--> B/L --> floor --> mix.
Air conditioner Control Module sets DTC B2409 if Driver Direction actuator has not been moved to the mode, where air condition control module controls, within 10 seconds.