Scheme 65
General Description
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.
DTC Description
Air conditioner Control Module sets DTC B1204 if the Feed Back signal of Passenger Temperature Actuator has been detected open or below 0.1V for 0.3 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 B1205 if the Feed Back signal of Passenger Temperature Actuator has been detected over 4.9V for 0.3 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 motor 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 B1208 if the Feed Back signal of Intake Actuator has been detected open or below 0.1V for 0.3 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 motor 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 B1209 if the Feed Back signal of Intake Actuator has been detected over 4.9V for 0.3 seconds.
Incar sensor is located at left side of DATC control panel. 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 0.3 seconds.
Incar sensor is located at left side of DATC control panel. 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 0.3 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 0.3 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 0.3 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 B1241 if Evaporator sensor has been detected below 0.1V for 0.3 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 0.3 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 0.3 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 0.3 seconds
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 0.3 seconds
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 0.3 seconds
AQS (Air Quality System) keeps air inside in the most suitable state for driver. In polluted area AQS detects hazardous gas and intercepts inflow automatically, Inversely, In fresh area it allows the inflow of air to prevent the shortage of air and the accumulation of carbon dioxide. AQS sensor is located at front side of condenser and once hazardous gas is detected, it delivers the voltage signal to ECU for closing intake door.
Air conditioner Control Module sets DTC B1257 if Feedback signal of AQS sensor has been detected over 4.9V for 0.3 seconds.
AQS (Air Quality System) keeps air inside in the most suitable state for driver. In polluted area AQS detects hazardous gas and intercepts inflow automatically, Inversely, In fresh area it allows the inflow of air to prevent the shortage of air and the accumulation of carbon dioxide. AQS sensor is located at front side of condenser and once hazardous gas is detected, it delivers the voltage signal to ECU for closing intake door.
Air conditioner Control Module sets DTC B1258 if Feedback signal of AQS sensor has been detected below 0.1V for 0.3 seconds.
AQS (Air Quality System) keeps air inside in the most suitable state for driver. In polluted area AQS detects hazardous gas and intercepts inflow automatically, Inversely, In fresh area it allows the inflow of air to prevent the shortage of air and the accumulation of carbon dioxide. AQS sensor is located at front side of condenser and once hazardous gas is detected, it delivers the voltage signal to ECU for closing intake door.
Air conditioner Control Module sets DTC B1259 if The signal of AQS sensor has not been changed since IG Key is ON.
There are two (2) CONSOLE TEMPERATURE ACTUATOR which is controlled after calculating the three (3) signals from Console temperature control switch, Console Open/Close switch, Front Control panel set temperature.
Air conditioner Control Module sets DTC B1275 if The feedback signal of Console temperature actuator has been detected 0.1V for 0.3 seconds.
There are two (2) CONSOLE TEMPERATURE ACTUATOR which is controlled after calculating the three (3) signals from Console temperature control switch, Console Open/Close switch, Front Control panel set temperature.
Air conditioner Control Module sets DTC B1276 if The feedback signal of Console temperature actuator has been detected over 4.9V for 0.3 seconds.
There are two (2) CONSOLE TEMPERATURE ACTUATOR which is controlled after calculating the three (3) signals from Console temperature control switch, Console Open/Close switch, Front Control panel set temperature.
Air conditioner Control Module sets DTC B1277 if The feedback signal of Console temperature A actuator has been detected open or below 0.1V for 0.3 seconds.
There are two (2) CONSOLE TEMPERATURE ACTUATOR which is controlled after calculating the three (3) signals from Console temperature control switch, Console Open/Close switch, Front Control panel set temperature.
Air conditioner Control Module sets DTC B1278 if The feedback signal of Console temperature A actuator has been detected over 4.9V for 0.3 seconds.
Console temperature control switch is for controlling rear seat vent temperature. If the switch is controlled to warm position (Red Box direction), The vent air temperature is high. If switch is moved to Cool (Blue box direction), The vent air temperature is low.
Air conditioner Control Module sets DTC B1279 if Console temperature Actuator and Switch signal has been detected below 0.1V for 0.3 seconds.
Console temperature control switch is for controlling rear seat vent temperature. If the switch is controlled to warm position (Red Box direction), The vent air temperature is high. If switch is moved to Cool (Blue box direction), The vent air temperature is low.
Air conditioner Control Module sets DTC B1240 if Console temperature Actuator and Switch has been detected over 4.9V for 0.3 seconds.
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.
Air conditioner Control Module sets DTC B1281 if The signal from auto defogger sensor has been detected short to ground in ground circuit for 2 seconds.
Auto defogger sensor is installed on front window glass. Auto defogger sensor judges and sends signal of 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.
Air conditioner Control Module sets DTC B1282 if The signal from auto defogger sensor has been detected open for 2 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.
Air conditioner Control Module sets DTC B1283 if The signal from auto defogger sensor has been detected 0.1V for 0.3 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.
Air conditioner Control Module sets DTC B1284 if The signal from auto defogger mode actuator has been detected 4.9V for 0.3 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.
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 40 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.
Air conditioner Control Module sets DTC B1272 if APT signal has not been received through the CAN signal
Air conditioner Control Module detects ambient temperature only when vehicle is driving. To judge weather vehicle is driving or not, Air conditioner control module receives vehicle speed signal from VDC through the CAN signal.
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.
Air conditioner Control Module sets DTC B1687 if engine temperature sensor signal has not been received through the CAN signal.
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 40 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 motor 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 40 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 40 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 B2415 if passenger air mix actuator has not been moved to the mode, where air condition control module controls, within 40 seconds.
There are two (2) CONSOLE TEMPERATURE ACTUATOR which is controlled after calculating the three (3) signals from Console temperature control switch, Console Open/Close switch, Front Control panel set temperature.
Air conditioner Control Module sets DTC B2447 if Console temp actuator has not been moved to the mode, where air condition control module controls, within 40 seconds.
Air conditioner Control Module sets DTC B2448 if Console temp actuator "A" has not been moved to the mode, where air condition control module controls, within 40 seconds.
Air conditioner Control Module sets DTC B2448 if Console temp actuator "A" has not been moved to the mode, where air condition control module controls, within 40 seconds.