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SORENTO FULL AUTOMATIC AIR CONDITIONING SYSTEM

SORENTO FULL AUTOMATIC AIR CONDITIONING SYSTEM. Produced by Chonan Technical Service Training Center. SYSTEM SPECIFICATION. MEDIUM (4). MEDIUM (3). ELECTRIC DIAGRAM. LOW. HIGH. MEDIUM. (1) (3) (4) (2). LOW & HIGH (2). LOW & HIGH (1). TRIPLE SWITCH. HIGH

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SORENTO FULL AUTOMATIC AIR CONDITIONING SYSTEM

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  1. SORENTO FULL AUTOMATIC AIR CONDITIONING SYSTEM Produced by Chonan Technical Service Training Center

  2. SYSTEM SPECIFICATION

  3. MEDIUM (4) MEDIUM (3) ELECTRIC DIAGRAM LOW HIGH MEDIUM (1) (3) (4) (2) LOW & HIGH (2) LOW & HIGH (1) TRIPLE SWITCH HIGH MIDDLE LOW Low & high switch : Compressor control Middle switch :Condenser fan control ECM

  4. TRIPLE SWITCH 1. COMPRESSOR & CONDENSER FAN CONTROL TABLE PRESSURE (Kg/cm2) COMPESSOR CONDENSER FAN REMARK Pressure increasing 2.3 ~ 15.5 ON OFF 15.5 ~ 32.0 ON Pressure increasing ON OFF ON 32.0 ~ Excessive pressure Pressure decreasing ON ON 26.0 ~ 11.5 Pressure decreasing ON OFF 11.5 ~ 2.0

  5. TRIPLE SWITCH 2. SWITCH ON & OFF RANGE • LOW & HIGH SWITCH (kg/cm2) 2.3±0.25 26±2.0 ON OFF (High switch) 32±2.0 (Low switch) 2.0±0.2 • MIDDLE SWITCH (kg/cm2) 15.5±0.8 ON OFF 11.5±1.2 (Middle switch)

  6. FATC CONTROL MODULE A/C output B+ B+ FIN SENSOR A/C RELAY HIGH/ LOW M M A/C MID COMP. RADI.FAN CON.FAN A/C relay control A/C pressure switch input A/C “ON” input ECM TRIPLE SWITCH

  7. FATC INPUT & OUTPUT INPUT OUTPUT CONTROL MODULE DISPLAY AMB SENSOR FIN SENSOR INCAR SENSOR PHOTO SENSOR HUMIDITY SENOSR AQS HI SPEED BLOWER RELAY BLOWER SPEED POWER TR AUTO SWITCH OFF SWITCH A/C SWITCH AQS SWITCH AMB SWITCH TEMP SWITCH DEF SWITCH BLOWER SWITCH MODE SWITCH INTAKE SWITCH TEMP ACTUATOR MIX DOOR MODE ACTUATOR MODE DOOR INTAKE ACTUATOR AQS CONTROL INTAKE DOOR ECM COMPRESSOR

  8. BLOWER SPEED CONTROL DEVICE 1. POWER TR ① INSTALL LOCATION

  9. BASE EMITTER COLLECTOR BLOWER SPEED CONTROL DEVICE ② POWER TR AND PIN ASSIGNMENT

  10. v BLOWER SPEED CONTROL DEVICE ③ POWER TR INSPECTION METHOD 1 * CODITION: IG ON, FATC ON BLOWER RELAY BATTERY Measure voltage IG2 BLOWER MOTOR M C POWER TR CONTROLLER HIGH SPEED BLOWER RELAY B E

  11. v v BLOWER SPEED CONTROL DEVICE ④ POWER TR INSPECTION METHOD 2 * CODITION: IG ON, FATC OFF BLOWER RELAY BATTERY IG2 BLOWER MOTOR M Measure voltage: B+ C POWER TR CONTROLLER HIGH SPEED BLOWER RELAY B Measure voltage: Variable (up/down blower speed switch) E * CAUTION: Do not pull off the TR during blower operation.

  12. 4.7V 2±2℃ connector 0.3V 1 2 3 4 5 6 7 HOT COOL TEMP DOOR ACTUATOR TEMP DOOR ACTUATOR is located in the bottom of the heater unit. The actuator controls the position of the temperature blend door based on the voltage signal from the FATC module. Potentiometer inside actuator sends a feedback signal to the controller and controller cuts off the voltage signal coming from the controller when the required door position is achieved. [POTENTIOMETER CHARACTERISTICS] When 5V between terminal 2-1, above voltage is obtained between terminal 5-1.

  13. M TEMP DOOR ACTUATOR • * Feedback line open or short: 17∼24.5℃ : MAX COOL • 25∼32℃ : MAX WARM ▼ ▲ + A16 TEMP S/W - 4.7V Actuator FATC A7 2.5V A5 MICOM 0.3V A18 5V (+) - A6 + COOL WARM

  14. connector 1 2 3 M 4 5 6 7 MODE ACTUATOR MODE IG2(+) MODE S/W M I C O M VENT (A12) D R I V E I C IC BI-LEVEL (A2) 5 4 3 2 1 G + + + + + G + + + + + G + + + + + G + + + + + G MODE VENT Bi-LEV FLOOR M I X DEF FLOOR (A13) MIX (A3) DEF (A14) GROUND * G: Ground

  15. 3 2 1 FIN SENSOR 1. DESCRIPTION Fin sensor is installed in the evaporator in order to detect the temperature of evaporator. It prevents evaporator from freezing. 2. FIN SENSOR ① LOCATION : inserted into the evaporator pin

  16. (Ω) (Ω) (Ω) FIN SENSOR ② CHARACTERISTICS OF FIN SENSOR ③ ON/OFF TEMPERATURE: 0 ~ 0.5℃ OFF 3.5 ~ 4℃ ON

  17. INCAR SENSOR The in-car sensor is located on the lower crash pad as shown in the picture. It contains a thermister, which measures the temperature of the air inside the passenger compartment. It senses the passenger compartment temperature, changes the resistance value, and enters the corresponding voltage into the automatic temperature control module (FATC).

  18. Ω INCAR SENSOR INSPECTION ▣ Resistance characteristic (NTC: negative thermal coefficient)

  19. PHOTO SENSOR The photo sensor is located on the left side of crash pad assembly. It contains a photovoltaic (sensitive to sunlight) diode. Characteristics of photo sensor

  20. ^ 60w 10 ~ 15cm + (Over 0.45V ) - PHOTO SENSOR (FATC) INSPECTION

  21. AMBIENT SENSOR The ambient temperature sensor is located in front of the condenser fan shroud. This sensor detects the temperature of outside air and sends voltage signals to the controller.

  22. AMBIENT SENSOR (FATC) INSPECTION * Resistance between B7 & A7 FATC (A7) GROUND M I C O M SENSOR VOLTAGE DETECTION 5V (B7) REFERERANCE VOLTAGE Resistance characteristic: (NTC: negative thermal coefficient)

  23. 1 2 AMBIENT SENSOR (FATC) INSPECTION Resistance characteristic: (NTC: negative thermal coefficient)

  24. AQS (FATC OPTION:DOMESTIC AREA ONLY) The Air Quality System detects exhaust gas of neighboring vehicles and intercepts automatically. AQS controls the inlet of car automatically and can be easily installed to the existing vehicle. Manual operation is also available.

  25. AQS (FATC OPTION:DOMESTIC AREA ONLY) * LOCATION: In front of condenser * AQS SWITCH

  26. M AQS (FATC OPTION:DOMESTIC AREA ONLY) FATC CONTROL MODULE AQS IG 12V OUTPUT - Normal → 5V - Gas detected → 0V GASdetected (REC) INTAKE ACTUATOR cw ccw Normal (FRE)

  27. V HUMIDITY SENSOR Humidity sensor detects the relative humidity of the car’s cabin. This sensor converts it into the voltage signal and sends the signal to the FATC controller. 1. SENSOR CHARACTERISTICS

  28. HUMIDITY SENSOR LOCATION: Lower Crash Pad

  29. CONTROL PANNEL (FATC, AQS) 1. FATC WITH AQS Blower speed up/down switch A/C AUTO switch AQSswitch Modeswitch Temperature up/down switch System OFF switch A/C ON/OFF switch Defrost switch Ambient temperature check switch Fre/Rec switch

  30. CONTROL PANNEL (FATC,NON AQS) 2. FATC WITHOUT AQS

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