Hyundai Veloster 2012 Manual Download | Manualshive

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Heating,Ventilation, Air Conditioning > Heater > Mode Control Actuator > Description and

Operation

Description

The mode control actuator is located at the heater unit.
It adjusts position of mode door by operating mode control actuator 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.

Heating,Ventilation, Air Conditioning > Heater > Mode Control Actuator > Repair

procedures

https://www.hyundaitechinfo.com/viewer/toc_print.asp?vehicletype=Pas...

42 of 57

3/12/2012 8:27 PM

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Summary of Contents for Veloster 2012

Page 1: ...Resistor Manual Air filter Type Particle filter Heater and evaporator unit Item Specification Heater Type Pin Tube type Heating capacity 4 650 3 kcal hr Mode operating method Actuator Temperature oper...

Page 2: ...clutch 4 Compressor 5 A C pressure transducer 6 A C switch 7 Evaporator temperature sensor 8 Wire harness No cool comes out 1 Refrigerant capacity 2 Refrigerant pressure 3 Drive belt 4 Magnetic clutch...

Page 3: ...s into your eyes wash them with clean water immediately 3 The R 134a container is highly pressurized Never leave it in a hot place and check storage temperature is below 52 C 126 F 4 An electronic lea...

Page 4: ...Do not remove the sealing caps from a Replacement component until it is ready to be installed 4 Before connecting an open fitting always install a new sealing ring Coat the fitting and seal with refr...

Page 5: ...ous damage The Following precautions must be observed 1 When it is necessary to open the refrigeration system have everything you will need to service the system ready so the system will not be left o...

Page 6: ...stem Service Basics Refrigerant Recovery Use only service equipment that is U L listed and is certified to meet the requirements of SAE J2210 to remove HFC 134a R 134a from the air conditioning system...

Page 7: ...t that is U L listed and is certified to meet the requirements of SAE J2210 to remove HFC 134a R 134a from the air conditioning system Air conditioning refrigerant or lubricant vapor can irritate your...

Page 8: ...sume of service Additional health and safety information may be obtained from the refrigerant and lubricant manufacturers 1 Connect an R 134a refrigerant Recovery Recycling Charging System A to the hi...

Page 9: ...isconnect the fittings and check their seating faces for damage Always replace even if the damage is slight 3 Check the compressor oil and add oil if required 4 Charge the system and recheck for gas l...

Page 10: ...er 2 Condenser 3 Service port High 4 Service port Low 5 A C Pressure Transducer 6 Compressor 7 Expansion Valve Interior https www hyundaitechinfo com viewer toc_print asp vehicletype Pas 10 of 57 3 12...

Page 11: ...2 system requires mineral compressor oil The two oils must never be mixed 2 Compressor PAG oil varies according to compressor model Be sure to use oil specified for the model of compressor Handling of...

Page 12: ...r conditioning switch to ON and set the blower motor control knob at its highest position 3 Run the compressor for more than 20 minutes between 800 and 1 000 rpm in order to operate the system 4 Stop...

Page 13: ...nt 1 Discharge refrigerant from refrigeration system 2 Replace faulty tube or hose Cap the open fittings immediately to keep moisture or dirt out of the system 3 Tighten joint of bolt or nut to specif...

Page 14: ...or 6 9 10 8 0 7 1 1 5 1 8 0 4 Evacuate air in refrigeration system and charge system with refrigerant Specified amount 420 25g 14 8 0 88 oz 5 Inspect for leakage of refrigerant Using a gas leak detect...

Page 15: ...ng Air Conditioning System Compressor Repair procedures Removal 1 If the compressor is marginally operable run the engine at idle speed and let the air conditioning work for a few minutes then shut th...

Page 16: ...wheel house 7 Remove the engine room RH side cover A 8 Remove the bolts then disconnect the suction line A and discharge line B from the compressor Plug or cap the lines immediately after disconnecti...

Page 17: ...new compressor drain all the refrigerant oil from the removed compressor and measure its volume Subtract the volume of drained oil from 120cc 4 20 oz then the result is the amount of oil you should dr...

Page 18: ...Replace the clutch set with a new one if it is noisy or has excessive play drag 3 Check operation of the magnetic clutch Connect the compressor side terminals to the battery terminal and the ground ba...

Page 19: ...3 Remove the engine room RH side cover A 4 Remove the center bolt A while holding the disc hub assembly with SST 09977 3R000 Tightening torque 10 15N m 1 02 1 53kgf m 7 37 11lbf ft https www hyundait...

Page 20: ...and then remove the pulley B Be careful not to damage the pulley B and compressor during removal installation Once retainer ring A is removed replace it with a new one 8 Remove the retainer ring A an...

Page 21: ...l new retainer rings and make sure they are fully seated in the groove Make sure that the pulley turns smoothly after its reassembled Heating Ventilation Air Conditioning Air Conditioning System Conde...

Page 22: ...an them with water and blow them with compressed air If bent gently bend them using a screwdriver or pliers 2 Check the condenser connections for leakage and repair or replace it if required Replaceme...

Page 23: ...rom the condenser Tightening torque 4 9 7 8N m 0 5 0 8kgf m 3 6 5 8 lbf ft Cap the open fittings immediately to keep moisture or dirt out of the system 5 Remove the hood latch A 6 Remove the upper cov...

Page 24: ...sure to install the lower mount cushions of condenser securely into the holes Charge the system and test its performance Heating Ventilation Air Conditioning Air Conditioning System Receiver Drier Rep...

Page 25: ...tting and apply a thin coat of refrigerant oil before installing them Be sure to use the right O rings for R 134a to avoid leakage Be careful not to damage the radiator and condenser fins when install...

Page 26: ...ted voltage value engine ECU controls cooling fan by operating it high speed or low speed Engine ECU stop the operation of compressor when the temperature of refrigerant line is so high or so low irre...

Page 27: ...th a recovery charging station 3 Remove the A C pressure transducer B after disconnecting the connector A Tightening torque 10 12 N m 1 02 1 22 kgf m 7 4 8 8 lb ft Take care that liquid suction pipe a...

Page 28: ...or temperature sensor Specification Evaporator core temperature C F Resistance k Voltage V 20 4 13 59 2 88 10 14 6 273 1 927 0 32 3 129 1 192 10 50 1 668 0 715 20 68 0 942 0 431 30 86 0 56 0 265 40 10...

Page 29: ...and decrease with higher temperatures 2 The sensor output will be displayed on the AVN Heating Ventilation Air Conditioning Air Conditioning System Ambient Sensor Repair procedures Inspection 1 Igniti...

Page 30: ...replace the ambient temperature sensor Replacement 1 Disconnect the negative battery terminal 2 Remove the engine room under cover A 3 Disconnect the connector and then remove the ambient temperature...

Page 31: ...Components https www hyundaitechinfo com viewer toc_print asp vehicletype Pas 31 of 57 3 12 2012 8 27 PM...

Page 32: ...0 Sub Vent Cover 21 Temp Door Lever 22 Evaporator Temperature Sensor Heating Ventilation Air Conditioning Heater Heater Unit Repair procedures Replacement 1 Disconnect the negative battery terminal 2...

Page 33: ...a clean drip pan Be sure not to let coolant spill on electrical parts or painted surfaces If any coolant spills rinse it off immediately 6 Remove the center console Refer to BD group Center Console 7...

Page 34: ...left right front filler trim and than disconnect the connectors A 12 Disconnect the left right multi box connectors A https www hyundaitechinfo com viewer toc_print asp vehicletype Pas 34 of 57 3 12...

Page 35: ...connectros A 14 Disconnect the air bag connectors A 15 Remove the center facia panel A 16 Loosen the heater blower unit mounting bolt A https www hyundaitechinfo com viewer toc_print asp vehicletype...

Page 36: ...s member mounting bolts A and then remove the crash pad and heater blower unit assembly B 19 Disconnect the connectors and then remove the heater blower unit A from the crash pad https www hyundaitech...

Page 37: ...unit after loosening screws 21 Loosen the mounting screws and then remove the heater core cover A 22 Disconnect the heater core A from heater unit https www hyundaitechinfo com viewer toc_print asp ve...

Page 38: ...OIL Replace the O rings with new ones at each fitting and apply a thin coat of refrigerant oil before installing them Be sure to use the right O rings for R 134a to avoid leakage Immediately after us...

Page 39: ...et heater hoses and install the hose clamps securely Refill the cooling system with engine coolant Heating Ventilation Air Conditioning Heater Temperature Control Actuator Components and Components Lo...

Page 40: ...the terminal 4 and grounding terminal 3 Verify that the temperature control actuator operates to the cool position when connecting in the reverse 1 2 3 Cool position 4 Hot position 5 Sensor 5V 6 Feedb...

Page 41: ...the mounting screws and then remove the temperature control actuator A Heating Ventilation Air Conditioning Heater Mode Control Actuator Components and Components Location Component Location https www...

Page 42: ...s position of mode door by operating mode control actuator 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 Heating...

Page 43: ...nals 6 and 5 Door position Voltage 6 5 Error detecting Vent 0 45 0 15V Low voltage 0 1V or less Bi Level 1 4 0 15V Floor 2 45 0 15V Mix 3 5 0 15V Defrost 4 55 0 15V High voltage 4 9V or more It will f...

Page 44: ...B 4 Disconnect the diagnosis connector A 5 Remove the shower duct A 6 Disconnect the temperature control actuator connector A and loosen the mounting screws and then remove the temperature control ac...

Page 45: ...erse order of removal Heating Ventilation Air Conditioning Blower Blower Unit Components and Components Location Component Location https www hyundaitechinfo com viewer toc_print asp vehicletype Pas 4...

Page 46: ...Components https www hyundaitechinfo com viewer toc_print asp vehicletype Pas 46 of 57 3 12 2012 8 27 PM...

Page 47: ...pper Blower Case 10 Lower Blower Case 11 Blower Resistor 12 Blower Motor Heating Ventilation Air Conditioning Blower Blower Unit Repair procedures Replacement 1 Disconnect the negative battery termina...

Page 48: ...the battery voltage and check the blower motor rotation 2 If the blower motor voltage is not operated well substitute with a known good blower motor and check for proper operation 3 If the problem is...

Page 49: ...2 measured resistance is not within specification the blower resistor must be replaced After removing the resistor 1 ML 2 MH 3 LO 4 HI Replacement 1 Disconnect the negative battery terminal 2 Disconne...

Page 50: ...includes odor filter as well as conventional dust filter to ensure comfortable interior environment Heating Ventilation Air Conditioning Blower Climate Control Air Filter Repair procedures Replacement...

Page 51: ...ged terrain check and replace the air filter as frequently as possible 4 Installation is the reverse order of removal Heating Ventilation Air Conditioning Blower Intake Actuator Components and Compone...

Page 52: ...e blower unit 2 It regulates the intake door by signal from control unit 3 Pressing the intake selection switch will shift between recirculation and fresh air modes Heating Ventilation Air Conditionin...

Page 53: ...ls 6 and 7 Door position Voltage 6 7 Error detecting Recircualtion 4 55 0 15V Low voltage 4 9V or less Fresh 0 45 0 15V High voltage 0 1V or more 6 If the intake actuator is not operated well substitu...

Page 54: ...er of removal Heating Ventilation Air Conditioning Controller Heater A C Control Unit Manual Components and Components Location Components https www hyundaitechinfo com viewer toc_print asp vehicletyp...

Page 55: ...Tail Lamp ILL 2 Middle High 2 Battery 3 Middle Low 3 Mode Actuator VENT 4 Low 4 Mode Actuator DEF 5 5 Temp Actuator COOL 6 GND 6 Temp Actuator WARM 7 Intake Actuator FRE 8 Intake Actuator REC https w...

Page 56: ...A C Output Signal HIGH 24 RR DEF S W 25 Vref 5V 26 Evaporator Sensor 27 28 29 30 Speed Signal 31 Sensor GND 32 GND Heating Ventilation Air Conditioning Controller Heater A C Control Unit Manual Repai...

Page 57: ...a cover panel connectors A 4 After loosening the mounting screws remove the controller A 5 Installation is the reverse order of removal https www hyundaitechinfo com viewer toc_print asp vehicletype P...

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