Air conditioning and heater — general information Air conditioning system Blower module Heater and evaporator module General Refrigerant Handling Precautions 1. R-134a refrigerant is highly volatile. Contact with a drop...
Draining the refrigerant from the air conditioning system Note: Equipment used to remove HFC-134a refrigerant (R-134a) from air conditioning systems must be certified and meet the requirements of UL and SAE J2210. In the event...
Creating a vacuum in the system 1. If the system is depressurized, for example, during installation or repair, it must be evacuated from the system using a system for draining, recycling and charging...
Charging the system with refrigerant 1. Connect the drain, recycling and refill system (A) R-134a refrigerant to the high (IN) pressure as shown in the figure and in accordance with its manufacturer's...
System leak test Whenever a refrigerant leak is suspected or work is being done to disconnect components or loosen connections, perform a system leak test using an electronic leak...
Compressor oil Technical characteristics of oils 1. The HFC-134a system uses synthetic (PAG) compressor oil, and in the R-12 system - mineral. These two types of oils should not be...
Compressor — device, removal and installation 1. Bolt 2. Disc and hub assembly 3. Retaining ring (pulley) 4. Pulley 5. Retaining ring (excitation coils) 6. Excitation coil 7. Compressor assembly Withdrawal 1. If the...
Capacitor — check and replace Checking the technical condition 1. Check the condenser plates for dirt and damage. If dirty, wash the plates with water and blow with compressed air. If necessary, use...
Air conditioning pressure sensor Checking the technical condition 1. Determine the pressure in the high pressure line by measuring the voltage between terminals 1 and 2. 1. Mass 2. Voltage 3. Nutrition...
Refrigerant piping Replacement 1. Drain the refrigerant from the system. 2. Replace defective tube or hose. Evaporator temperature sensor Attention. Close open fittings immediately to...
Evaporator temperature sensor Checking the technical condition 1. Turn off the ignition. 2. Disconnect the evaporator temperature sensor. 3. Using a universal tester, measure the resistance between...
Car interior air temperature sensor Checking the technical condition 1. Turn on the ignition. 2. Apply a stream of variable temperature air to the sensor through the air inlet. Measure the resistance of...
Ambient temperature sensor Checking the technical condition 1. Turn off the ignition. 2. Disconnect the ambient temperature sensor. 3. Check the change in resistance between terminals 1 and 2 of...
Air ionizer Checking the technical condition Push the switch «OFF» more than four times within 2 seconds while pressing the MODE switch (mode). Replacement 1. Disconnect the...
Heater — device 1. Left heater housing 2. Heater core cover 3. Mode control drive 4. Left condensate outlet 5. Temperature control actuator (from the driver's side) 6. Heater core with...
Heater — replacement 1. Disconnect the negative battery terminal. 2. Drain the refrigerant using a special installation. 3. On a cold engine, drain the coolant from the radiator. 4. Remove...
Temperature control actuator Checking the technical condition 1. Turn off the ignition. 2. Disconnect the temperature control actuator connector. 3. Verify that the temperature control actuator...
Temperature Control Actuator — Replacement 1. Disconnect the negative battery terminal. 2. Remove the side cover (A) dashboard. 3. Remove the cover (A). 4. Remove the bottom cover (A) dashboard. 5. Disconnect the...
Air mode control actuator Checking the technical condition 1. Turn off the ignition. 2. Disconnect the air mode control actuator connector. 3. Verify that when applying 12 V to pin 3 and «masses»...
Heater with a positive temperature coefficient Checking the technical condition Verify the functionality of the PTC sensor according to the validation logic below. 1.Input method: Set FLOOR mode (air supply to the...
Ventilation — device 1. Left air intake housing 2. Right air intake housing 3. Fan motor 4. Air intake damper 5. Drain flap drive 6. Power transistor (with automatic control) 7. Resistor...
Fan — replacement 1. Disconnect the negative battery terminal. 2. Remove the dashboard. 3. Remove the hood cross member assembly. 4. Remove the heater and fan assembly. 5. Remove the...
Electric motor of the fan Checking the technical condition 1. Connect battery voltage and check fan motor rotation. 2. If the voltage at the fan motor terminals is not correct, substitute a...
Power transistor Checking the technical condition 1. Turn on the ignition. 2. By manually changing the position of the control switch, measure the voltage between terminals 1 and 2 of...
Climate control air filter Replacement 1. Remove the cover (A) on right. 2. Remove damper (A) from the glove box (IN). 3. Remove the lifting mechanism (WITH) glove box. 4. Remove the cover (A)...
Intake flap actuator Checking the technical condition 1. Turn off the ignition. 2. Disconnect the intake damper drive connector. 3. Verify that when applying 12 V to pin 3 and «masses» on...
Control Panel Heater and air conditioner controller (manually operated) Heater and air conditioner controller (with automatic control) Control panel replacement 1. Disconnect the...