CM Air Conditioning. 2 A/C Layout Blower HVAC Condenser & Cooling Fan Evaporator APT sensor Compressor Low pressure High pressure.

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CM Air Conditioning

2 A/C Layout Blower HVAC Condenser & Cooling Fan Evaporator APT sensor Compressor Low pressure High pressure

3 Comparison ITEMSMTGCM CompressorHS typeVS ( Variable Swash plate ) type Condenser Separated Type (Condenser, Receiver Drier) Integrated Type (Condenser, Receiver Drier) Pressure DetectingTriple Switch APT (Automotive Pressure Transducer) HVAC TypeInstrument typeSemi-mounting type Cooling Fan Control 2 FAN with RelayPWM (1 FAN)2 FAN with Relay Dual Mode A/C control -Dual Mode DiagnosisControl moduleControl module & Hi-scan

4 ItemSMTGCM Ambient & AQSSeparated TypeIntegrated TypeSeparated Type In-car & HumiditySeparated TypeIntegrated Type Photo Sensor 1 sensor (Independence Type) Integrated Type with Auto light sensor Fin thermo sensorCore TypeAir Type Coolant Temp. Sensor Not usedApplied TEMP door actuator Motor position feed back by position sensor TEMP Actuator1EA2EA(LH, RH) MODE ActuatorNot used F/Back Signal Motor position feed back by position sensor INTAKE ActuatorNot used F/Back Signal Motor position feed back by position sensor Comparison

5 Ambient & AQS AQS Ambient sensor

6 In-car sensor output Ambient sensor In-car Sensor & Humidity Sensor Temp ( ) Voltage (V) In-car sensor

7 Fin thermo sensor FIN Thermo Sensor Temp ( ) Voltage (V) Temp ( ) Voltage (V)

8 Coolant Temperature Sensor Coolant Temperature Sensor

9 Temp. Actuator Driver Side Passenger Side Temp.Voltage (V) HI (32 ) 4.7 LO (17 ) 0.3 Sensor power : 5V

10 Mode Actuator ModeVoltage (V) Vent0.3 Bi Level1.4 Floor2.5 Mix3.6 Defrost4.7 Sensor power : 5V Mode Actuator Output

11 Intake Actuator ModeVoltage (V) Fresh0.3 Recirculation4.7 Sensor power : 5V

12 APT Function APT (Automotive Pressure Temperature) Refrigerant pressure (kg/ ) Voltage (V) Refrigerant Pressure (kg/ ) V Output (V) 4.8V Operation Range Refrigerant pressure vs Output voltage

13 Power Transmitter FATCM BATTERY IG2 Blower motor POWER TR B C E M A/C Switch Auto Switch Blower Relay IGN High - Speed Blower Relay

14 Voltage by blower motor speed (between B+ and – terminal of the blower motor) Blower speed selectVoltageRemarks 1 st 3.8 volts 2 nd 4.9 volts 3 rd 6.1 volts 4 th 7.2 volts 5 th 8.3 volts 6 th 9.5 volts 7 th 10.6 volts 8 th B+ Blower Motor Speed

15 Rear A/C system Rear A/C 3rd Row Seat Heating Duct B-Pillar A/C Vent

16 Rear A/C system Evaporator and Expansion Valve are installed on rear A/C system. Rear Blower Motor Resistor Rear blower motor speed is operated by rear controller ( 3 speed)

17 PTC (Positive Temperature Coefficient) Heater ContentsCondition RPMOver 700 rpm Ambient temp.Under 5 Coolant temp.Under 70 Battery Over 12.5 V (Under 8.9V : OFF) Operation timeMAX. 60 min. Blow motor S/WON PTC operation condition

18 Temperature unit change User may choose the temperature indication between °C and °F. Press the dual button for 3 seconds during pressing mode button. * Setting unit: °C (Battery disconnection)

19 Diagnosis Using FATC controller Ignition switch : OFFON Return to original condition Press the Mode switch more than 4 times within 2 seconds during pressing the Off switch After graphic symbol display blinks 3times, start self- diagnosis. Press AUTO Press OFF Self-diagnosis (Step operation) Self-diagnosis (Continuous operation)

20 DTC List