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Hyundai Veloster 2012 Manual
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Hyundai Veloster 2012 Manual

Heating, ventilation, air conditioning
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VELOSTER(FS) > 2012 > G 1.6 GDI > Heating,Ventilation, Air Conditioning
Heating,Ventilation, Air Conditioning > General Information > Specifications
Specification
Air conditioner
Compressor
Condenser
A/C Pressure transducer
Expansion valve
Refrigerant
Blower unit
Fresh and recirculation
Blower
Air filter
Heater and evaporator unit
Heater
Evaporator
Heating,Ventilation, Air Conditioning > General Information > Troubleshooting
Troubleshooting
Problem Symptoms Table
Before replacing or repairing air conditioning components, first determine if the malfunction is due to the refrigerant
charge, air flow or compressor.
Use the table below to help you find the cause of the problem. The numbers indicate the priority of the likely cause of the
1 of 57
Item
Type
Oil type & Capacity
Displacement
Heat rejection
The method to measure the
pressure
Type
Type
Capacity [g(oz.)]
Item
Operating method
Type
Speed step
Speed control
Type
Item
Type
Heating capacity
Mode operating method
Temperature operating
method
Temperature control type
A/C ON/OFF [°C(°F)]
https://www.hyundaitechinfo.com/viewer/toc_print.asp?vehicletype=Pas...
Specification
DV 13
PAG OIL 120±10cc
130cc/rev
11,900 - 3% kcal/hr
Voltage= 0.00878835 * P + 0.5
Block type
R-134a
420±25 (14.8±0.88)
Specification
Actuator
Sirocco
1~4 speed (Manual)
Resistor (Manual)
Particle filter
Specification
Pin & Tube type
4,650 ± 3% kcal/hr
Actuator
Actuator
Evaporator temperature sensor
ON : 2.5±0.3 (36.5±0.5), OFF: 0.5±0.3 (32.9±0.5)
3/12/2012 8:27 PM

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Summary of Contents for Hyundai Veloster 2012

  • Page 1 https://www.hyundaitechinfo.com/viewer/toc_print.asp?vehicletype=Pas... VELOSTER(FS) > 2012 > G 1.6 GDI > Heating,Ventilation, Air Conditioning Heating,Ventilation, Air Conditioning > General Information > Specifications Specification Air conditioner Item Specification Type DV 13 Compressor Oil type & Capacity PAG OIL 120±10cc Displacement 130cc/rev Condenser Heat rejection 11,900 - 3% kcal/hr The method to measure the A/C Pressure transducer...
  • Page 2 https://www.hyundaitechinfo.com/viewer/toc_print.asp?vehicletype=Pas... problem. Check each part in order. If necessary, replace these parts. After correcting the malfunction, check the complete system to ensure that performance is satisfactory. Symptom Suspect Area No blower operation Blower fuse Blower motor Blower resistor Blower speed control knob Wire harness No air temperature control Engine coolant capacity...
  • Page 3 https://www.hyundaitechinfo.com/viewer/toc_print.asp?vehicletype=Pas... Wire harness No air inlet control Heater control assembly No mode control Heater control assembly Mode actuator No cooling fan operation Cooling fan fuse Fan motor Engine ECM Wire harness Heating,Ventilation, Air Conditioning > General Information > Special Service Tools Special Service Tools Tool (Number and name) Illustration...
  • Page 4 https://www.hyundaitechinfo.com/viewer/toc_print.asp?vehicletype=Pas... D. Use the recommended lubricant from a sealed container only. 7. If an accidental discharge in the system occurs, ventilate the work area before resume of service. When replacing parts ON A/C system 1. Never open or loosen a connection before discharging the system. 2.

  • Page 5: Handling Tubing And Fittings

    https://www.hyundaitechinfo.com/viewer/toc_print.asp?vehicletype=Pas... 5 - 6 9 - 11 (0.5 - 0.6, 3.6 - 4.3) (0.9 - 1.1, 6.5 - 7.9) 12 - 15 20 - 25 (1.2 - 1.5, 8.7 - 10.8) (2.0 - 2.5, 14 - 18.0) 25 - 30 45 - 50 (2.5 - 3.0, 18 - 21.6) (4.5 - 5.0, 32 - 36.1)
  • Page 6 https://www.hyundaitechinfo.com/viewer/toc_print.asp?vehicletype=Pas... Heating,Ventilation, Air Conditioning > Air Conditioning System > Repair procedures Refrigerant System 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. 6 of 57 3/12/2012 8:27 PM...

  • Page 7: System Evacuation

    https://www.hyundaitechinfo.com/viewer/toc_print.asp?vehicletype=Pas... - Air conditioning refrigerant or lubricant vapor can irritate your eyes, nose, or throat. - Be careful when connecting service equipment. - Do not breathe refrigerant or vapor. If accidental system discharge occurs, ventilate work area before resume of service. Additional health and safety information may be obtained from the refrigerant and lubricant manufacturers.

  • Page 8: System Charging

    https://www.hyundaitechinfo.com/viewer/toc_print.asp?vehicletype=Pas... low-pressure service port (C) as shown, following the equipment manufacturer's instructions. 3. If the low-pressure does not reach more than 93.3 kPa (700 mmHg, 27.6 in.Hg) in 10 minutes, there is probably a leak in the system. Partially charge the system, and check for leaks (see Leak Test.). 4.
  • Page 9 https://www.hyundaitechinfo.com/viewer/toc_print.asp?vehicletype=Pas... If a gas leak is detected, proceed as follows: 1. Check the torque on the connection fittings and, if too loose, tighten to the proper torque. Check for gas leakage with a leak detector (A). 2. If leakage continues even after the fitting has been tightened, discharge the refrigerant from the system, disconnect the fittings, and check their seating faces for damage.
  • Page 10 https://www.hyundaitechinfo.com/viewer/toc_print.asp?vehicletype=Pas... 1. Receiver-drier 5. A/C Pressure Transducer 2. Condenser 6. Compressor 3. Service port (High) 7. Expansion Valve 4. Service port (Low) Interior 10 of 57 3/12/2012 8:27 PM...

  • Page 11: Handling Of Oil

    https://www.hyundaitechinfo.com/viewer/toc_print.asp?vehicletype=Pas... Heating,Ventilation, Air Conditioning > Air Conditioning System > Compressor Oil > Repair procedures Oil Specification 1. The HFC-134a system requires synthetic (PAG) compressor oil whereas the R-12 system requires mineral compressor oil. The two oils must never be mixed. 2.

  • Page 12: Compressor Oil Check

    https://www.hyundaitechinfo.com/viewer/toc_print.asp?vehicletype=Pas... 3. The water content in the oil increases when exposed to the air. After use, seal oil from air immediately. (HFC-134a Compressor Oil absorbs moisture very easily.) 4. The compressor oil must be stored in steel containers, not in plastic containers. Compressor Oil Check The oil used to lubricate the compressor is circulating with the refrigerant.
  • Page 13 https://www.hyundaitechinfo.com/viewer/toc_print.asp?vehicletype=Pas... Heating,Ventilation, Air Conditioning > Air Conditioning System > Refrigerant line > Repair procedures Replacement 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.
  • Page 14 https://www.hyundaitechinfo.com/viewer/toc_print.asp?vehicletype=Pas... Connections should not be torque tighter than the specified torque. Part tightened Kgf.m lbf.ft Condenser - Discharge hose 4.9~7.8 0.5~0.8 3.6~5.8 Condenser - Liquid tube Compressor - Discharge hose 18.6~27.4 1.9~2.8 13.7~20.2 Compressor - Suction hose Expansion valve - Evaporator 6.9~10.8 0.7~1.1 5.1~8.0...
  • Page 15 https://www.hyundaitechinfo.com/viewer/toc_print.asp?vehicletype=Pas... 1. Bolt 5. Retainer Ring (Field coil) 2. Disc & Hub Assembly 6. Field Coil 3. Retainer Ring (Pulley) 7. Compressor Assembly 4. Pulley Heating,Ventilation, Air Conditioning > 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 the engine off.
  • Page 16 https://www.hyundaitechinfo.com/viewer/toc_print.asp?vehicletype=Pas... 3. Recover the refrigerant with a recovery/charging station. 4. Loosen the drive belt. (Refer to EM group - "Drive Belt") 5. Remove the RH front tire (A). 6. Separate the front portion of the front wheel guard (A) from the wheel house. 7.

  • Page 17: Installation

    https://www.hyundaitechinfo.com/viewer/toc_print.asp?vehicletype=Pas... 9. Disconnect the compressor clutch connector and then remove mounting bolts and the compressor (A). Installation 1. Make sure of the length of compressor mounting bolts, and then tighten it A→B→C→D order. Tightening torque : 19.6~33.3N.m (2.0~3.4kgf.m, 14.5~24.6 lbf.ft) 2.
  • Page 18 https://www.hyundaitechinfo.com/viewer/toc_print.asp?vehicletype=Pas... - To avoid contamination, do not return the oil to the container once dispensed, and never mix it with other refrigerant oils. - Immediately after using the oil, replace the cap on the container and seal it to avoid moisture absorption. Inspection 1.
  • Page 19 https://www.hyundaitechinfo.com/viewer/toc_print.asp?vehicletype=Pas... 2. Separate the front portion of the front wheel guard (A) from the wheel house. 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) 19 of 57...
  • Page 20 https://www.hyundaitechinfo.com/viewer/toc_print.asp?vehicletype=Pas... 5. Remove the disc & hub assembly (A) and shim (gap washer) (B), taking care not to lose the shims. 6. Loosen the drive belt. (Refer to EM group - "Drive Belt") 7. Disconnect the retainer ring (A) and then remove the pulley (B). - Be careful not to damage the pulley (B) and compressor during removal/installation.
  • Page 21 https://www.hyundaitechinfo.com/viewer/toc_print.asp?vehicletype=Pas... 9. Reassemble the compressor clutch in the reverse order of disassembly. - Clean the pulley and compressor sliding surfaces with non-petroleum solvent. - Install 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 >...
  • Page 22 https://www.hyundaitechinfo.com/viewer/toc_print.asp?vehicletype=Pas... Heating,Ventilation, Air Conditioning > Air Conditioning System > Condenser > Repair procedures Inspection 1. Check the condenser fins for clogging and damage. If clogged, clean them with water, and blow them with compressed air. If bent, gently bend them using a screwdriver or pliers. 2.
  • Page 23 https://www.hyundaitechinfo.com/viewer/toc_print.asp?vehicletype=Pas... 2. Disconnect the negative (-) battery terminal. 3. Remove the front bumper assembly. (Refer to BD group - "Front Bumper") 4. Remove the discharge line (A) and liquid line (B) from 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.
  • Page 24 https://www.hyundaitechinfo.com/viewer/toc_print.asp?vehicletype=Pas... 8. Install in the reverse order of removal, and note these items : - If you're installing a new condenser, add refrigerant oil (PAG 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.
  • Page 25 https://www.hyundaitechinfo.com/viewer/toc_print.asp?vehicletype=Pas... 3. Apply air conditioning compressor oil along the O-rings and threads of the new bottom cap. 4. Insert the new desiccant into the receiver drier tank. The desiccant must be sealed in vacuum before it is exposed to air for use. 5.
  • Page 26 https://www.hyundaitechinfo.com/viewer/toc_print.asp?vehicletype=Pas... Heating,Ventilation, Air Conditioning > Air Conditioning System > A/C Pressure Transducer > Description and Operation Description A/C pressure transducer convert the pressure value of high pressure line into voltage value after measure it. By converted 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 irregularly to optimize air conditioning system.
  • Page 27 https://www.hyundaitechinfo.com/viewer/toc_print.asp?vehicletype=Pas... Inspection 1. Measure the pressure of high pressure line by measuring voltage output between NO.1 and NO.2 terminals. 2. Inspect the voltage value whether it is sufficient to be regular value or not. Voltage = 0.00878835 * Pressure + 0.5 3.
  • Page 28 https://www.hyundaitechinfo.com/viewer/toc_print.asp?vehicletype=Pas... order to prevent evaporator freezing by excessive cooling Heating,Ventilation, Air Conditioning > Air Conditioning System > Evaporator Temperature Sensor > Repair procedures Inspection 1. Ignition "OFF". 2. Remove the evaporator temperature sensor after disconnecting the connector. 3. Using the multi-tester, measure resistance between terminal "+" and "-" of evaporator temperature sensor. Specification Evaporator core Resistance[kΩ]...
  • Page 29 https://www.hyundaitechinfo.com/viewer/toc_print.asp?vehicletype=Pas... 4. Installation is the reverse order of removal. Heating,Ventilation, Air Conditioning > Air Conditioning System > Ambient Sensor > Description and Operation Description 1. The ambient temperature sensor is located at the front of the condenser and detects ambient air temperature. It is a negative type thermistor;...
  • Page 30 https://www.hyundaitechinfo.com/viewer/toc_print.asp?vehicletype=Pas... -10(14) 164.2 ± 3% 0 (32) 97.5 ± 3% 10 (50) 59.6 ± 3% 20 (68) 37.46 ± 3% 30(86) 24.18 ± 3% 40(104) 16 ± 3% 50(122) 10.83 ± 3% 4. If the measured resistance is not specification, substitute with a known-good ambient temperature sensor and check for proper operation.
  • Page 31 https://www.hyundaitechinfo.com/viewer/toc_print.asp?vehicletype=Pas... Components 31 of 57 3/12/2012 8:27 PM...
  • Page 32 https://www.hyundaitechinfo.com/viewer/toc_print.asp?vehicletype=Pas... 1. Heater Case [LH] 12. Drain Hose 2. Heater Case [RH] 13. Heater Lower Case 3. Evaporator Core 14. Heater Core 4. Duct Seal 15. Heater Core Cover 5. Vent/Def Door 16. Shower Duct [LH] 6. Foot Door 17. Mode Actuator 7.
  • Page 33 https://www.hyundaitechinfo.com/viewer/toc_print.asp?vehicletype=Pas... Tightening torque : 7.8 ~ 11.7 N.m ( 0.8 ~ 1.2 kgf.m, 5.7 ~ 8.6 Ib-ft) Plug or cap the lines immediately after disconnecting them to avoid moisture and dust contamination. 5. Disconnect the inlet (A) and outlet (B) heater hoses from the heater unit and then remove the cover (C). Engine coolant will run out when the hoses are disconnected;...
  • Page 34 https://www.hyundaitechinfo.com/viewer/toc_print.asp?vehicletype=Pas... 11. Remove the left & right front filler trim and than disconnect the connectors (A). 12. Disconnect the left & right multi box connectors (A). 34 of 57 3/12/2012 8:27 PM...
  • Page 35 https://www.hyundaitechinfo.com/viewer/toc_print.asp?vehicletype=Pas... 13. Disconnect the main fuse box 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). 35 of 57 3/12/2012 8:27 PM...
  • Page 36 https://www.hyundaitechinfo.com/viewer/toc_print.asp?vehicletype=Pas... 17. Loosen the heater & blower unit mounting bolts (A). 18. Loosen the cowl cross 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. 36 of 57 3/12/2012 8:27 PM...
  • Page 37 https://www.hyundaitechinfo.com/viewer/toc_print.asp?vehicletype=Pas... 20. Remove the blower unit (A) from heater 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. 37 of 57 3/12/2012 8:27 PM...
  • Page 38 https://www.hyundaitechinfo.com/viewer/toc_print.asp?vehicletype=Pas... 23. Loosen the heater unit lower case mount screws and then remove the heater unit lower case (A). 24. Remove the evaporator core (A). Be careful that the inlet and outlet pipe are not bent during heater core removal, and pull out the heater core. 25.
  • Page 39 https://www.hyundaitechinfo.com/viewer/toc_print.asp?vehicletype=Pas... - Make sure that there is no air leakage. - Charge the system and test its performance. - Do not interchange the inlet and outlet heater hoses and install the hose clamps securely. - Refill the cooling system with engine coolant Heating,Ventilation, Air Conditioning >...
  • Page 40 https://www.hyundaitechinfo.com/viewer/toc_print.asp?vehicletype=Pas... Heating,Ventilation, Air Conditioning > Heater > Temperature Control Actuator > Description and Operation Description Temperature control actuator is located at the heater unit. It regulates the temperature by the procedure as follows. Signal from control unit adjusts position of temperature door by operating temperature switch and then temperature will be regulated by the hot/cold air ratio decided by position of temperature door Heating,Ventilation, Air Conditioning >...
  • Page 41 https://www.hyundaitechinfo.com/viewer/toc_print.asp?vehicletype=Pas... 3. Remove the heater unit from the blower unit. (Refer to HA group - "Heater Unit") 4. Loosen 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 41 of 57...
  • Page 42 https://www.hyundaitechinfo.com/viewer/toc_print.asp?vehicletype=Pas... 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→...
  • Page 43 https://www.hyundaitechinfo.com/viewer/toc_print.asp?vehicletype=Pas... Inspection 1. Ignition "OFF” 2. Disconnect the connector of mode control actuator. 3. Verify that the mode control actuator operates to the defrost mode when connecting 12V to the terminal 3 and grounding terminal 4. 4. Verify that the mode control actuator operates to the vent mode when connecting in the reverse. 1.
  • Page 44 https://www.hyundaitechinfo.com/viewer/toc_print.asp?vehicletype=Pas... 3. Remove the fuse box cover (A) and loosen the mounting screws and then remove the crash pad lower cover (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 actuator (B).
  • Page 45 https://www.hyundaitechinfo.com/viewer/toc_print.asp?vehicletype=Pas... 7. Installation is the reverse order of removal. Heating,Ventilation, Air Conditioning > Blower > Blower Unit > Components and Components Location Component Location 45 of 57 3/12/2012 8:27 PM...
  • Page 46 https://www.hyundaitechinfo.com/viewer/toc_print.asp?vehicletype=Pas... Components 46 of 57 3/12/2012 8:27 PM...
  • Page 47 https://www.hyundaitechinfo.com/viewer/toc_print.asp?vehicletype=Pas... 1. Blower Seal 7. Climate Control Air Filter Cover 2. Intake Case [LH] 8. Climate Control Air Filter 3. Intake Door 9. Upper Blower Case 4. Intake Actuator 10. Lower Blower Case 5. Intake Case [RH] 11. Blower Resistor 6.
  • Page 48 https://www.hyundaitechinfo.com/viewer/toc_print.asp?vehicletype=Pas... 3. Remove the blower unit (A) from the heater unit after loosening a mounting screws. Make sure that there is no air leaking out of the blower and duct joints 4. Installation is the reverse order of removal. Heating,Ventilation, Air Conditioning > Blower > Blower Motor > Repair procedures Inspection 1.
  • Page 49 https://www.hyundaitechinfo.com/viewer/toc_print.asp?vehicletype=Pas... 4. Installation is the reverse order of removal. Heating,Ventilation, Air Conditioning > Blower > Blower Resistor > Repair procedures Inspection 1. Measure terminal-to-terminal resistance of the blower resistor. 2. measured resistance is not within specification, the blower resistor must be replaced. (After removing the resistor) 1.
  • Page 50 https://www.hyundaitechinfo.com/viewer/toc_print.asp?vehicletype=Pas... 3. Installation is the reverse order of removal. Heating,Ventilation, Air Conditioning > Blower > Climate Control Air Filter > Description and Operation Description The particle filter eliminates foreign materials and odor. The particle filter includes odor filter as well as conventional dust filter to ensure comfortable interior environment.
  • Page 51 https://www.hyundaitechinfo.com/viewer/toc_print.asp?vehicletype=Pas... 3. Replace the air filter (A) after making sure of the direction of air filter. In case of driving in an air-polluted area or rugged terrain, check and replace the air filter as frequently as possible. 4. Installation is the reverse order of removal. Heating,Ventilation, Air Conditioning >...
  • Page 52 https://www.hyundaitechinfo.com/viewer/toc_print.asp?vehicletype=Pas... Heating,Ventilation, Air Conditioning > Blower > Intake Actuator > Description and Operation Description 1. The intake actuator is located at the 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 Conditioning >...
  • Page 53 https://www.hyundaitechinfo.com/viewer/toc_print.asp?vehicletype=Pas... Inspection 1. Ignition "OFF" 2. Disconnect the intake actuator connector. 3. Verify that the actuator operates to the fresh position when connecting 12V to the terminal 3 and grounding terminal 4. 4. Verify that the intake actuator operates to the recirculation position when connecting in the reverse. 1.
  • Page 54 https://www.hyundaitechinfo.com/viewer/toc_print.asp?vehicletype=Pas... 4. Installation is the reverse order of removal. Heating,Ventilation, Air Conditioning > Controller > Heater & A/C Control Unit (Manual) > Components and Components Location Components 54 of 57 3/12/2012 8:27 PM...
  • Page 55 https://www.hyundaitechinfo.com/viewer/toc_print.asp?vehicletype=Pas... Connector pin function Connector Pin No Function Connector Pin No Function High Tail Lamp (ILL+) Middle High Battery Middle Low Mode Actuator (VENT) Mode Actuator (DEF) Temp Actuator (COOL) Temp Actuator (WARM) Intake Actuator (FRE) Intake Actuator (REC) 55 of 57 3/12/2012 8:27 PM...
  • Page 56 https://www.hyundaitechinfo.com/viewer/toc_print.asp?vehicletype=Pas... Detent Out (+) Mode Actuator (F/B) Temp Actuator (F/B) Intake Actuator (F/B) Blower Motor Common (-) Blower F/B Rheostat (ILL -) IGN2 Hazard Signal HTD (RR-DEF Indicator) A/C Select Signal (HIGH) A/C Output Signal (HIGH) RR DEF S/W Vref (+5V) Evaporator Sensor Speed Signal Sensor GND...
  • Page 57 https://www.hyundaitechinfo.com/viewer/toc_print.asp?vehicletype=Pas... 3. Disconnect the center fascia cover panel connectors (A). 4. After loosening the mounting screws, remove the controller (A). 5. Installation is the reverse order of removal. 57 of 57 3/12/2012 8:27 PM...

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