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Air conditioning and interior heater Toyota Carina 6 (T190)
Refrigerant Safety Precautions
Always follow safety regulations when handling refrigerant. 1. Do not work with refrigerant in an enclosed space or near an open flame. 2. Always wear safety glasses. 3. Be careful not to get refrigerant in your eyes or...
Always follow safety regulations when handling refrigerant. 1. Do not work with refrigerant in an enclosed space or near an open flame. 2. Always wear safety glasses. 3. Be careful not to get refrigerant in your eyes or...
Installing the gauge block and discharging the system
1. Install the adapters on the charging hoses. 2. Remove the plug from the A/C line service valves. 3. Install the gauge block. A) Close both gauge block valves. b) Connect gauge block hoses to service valves. V) Open...
1. Install the adapters on the charging hoses. 2. Remove the plug from the A/C line service valves. 3. Install the gauge block. A) Close both gauge block valves. b) Connect gauge block hoses to service valves. V) Open...
Vacuum system
1. Vacuum the system. A) Install the adapter on the vacuum pump. b) Connect the center hose of the gauge block to the vacuum pump adapter. V) Open both gauge block valves and turn on the vacuum pump. G) After at least...
1. Vacuum the system. A) Install the adapter on the vacuum pump. b) Connect the center hose of the gauge block to the vacuum pump adapter. V) Open both gauge block valves and turn on the vacuum pump. G) After at least...
Charging system
1. Install the charging cylinder. Note: When working with a charging cylinder, always follow the requirements described in the instructions for it. A) Charge the charging cylinder with the required amount of...
1. Install the charging cylinder. Note: When working with a charging cylinder, always follow the requirements described in the instructions for it. A) Charge the charging cylinder with the required amount of...
Location of components on the vehicle
1 - electropneumatic valve, 2 - air conditioner switch for coolant temperature (for 2C except front-wheel drive with manual transmission), 3 - air conditioner switch for coolant temperature (for 2C), 4 - coolant...
1 - electropneumatic valve, 2 - air conditioner switch for coolant temperature (for 2C except front-wheel drive with manual transmission), 3 - air conditioner switch for coolant temperature (for 2C), 4 - coolant...
System leak test
1. Check the tightness of the system. A) Open the high pressure valve on the gauge block and charge the system with refrigerant. b) When the pressure on the low pressure side reaches 98 kPa, close the high pressure...
1. Check the tightness of the system. A) Open the high pressure valve on the gauge block and charge the system with refrigerant. b) When the pressure on the low pressure side reaches 98 kPa, close the high pressure...
Refilling the refrigerant
1. Top up the system with refrigerant. After checking for leaks, top up the amount of refrigerant. Attention: - Never charge the system through the high pressure side while the engine is running. - do not open the low...
1. Top up the system with refrigerant. After checking for leaks, top up the amount of refrigerant. Attention: - Never charge the system through the high pressure side while the engine is running. - do not open the low...
Removing the gauge block
1. Disconnect gauge block from service valves. Note: first close the valves of the pressure gauge block! 2. Install plugs on the service valves of the cooling system.
1. Disconnect gauge block from service valves. Note: first close the valves of the pressure gauge block! 2. Install plugs on the service valves of the cooling system.
Checking the amount of refrigerant
1. Check mode. A) Set the idle speed to 1000 rpm. b) Fully open the doors. 2. Air conditioning mode. A) Set the heater fan speed to high. b) Turn on the air conditioner. V) Move the air intake damper to position...
1. Check mode. A) Set the idle speed to 1000 rpm. b) Fully open the doors. 2. Air conditioning mode. A) Set the heater fan speed to high. b) Turn on the air conditioner. V) Move the air intake damper to position...
Cooling lines — check on the vehicle
1. Check tightness of pipe connections. 2. Use a leak detector to check the system for leaks.
1. Check tightness of pipe connections. 2. Use a leak detector to check the system for leaks.
Replacement of pipeline elements
1. Remove the refrigerant from the system (see subsection " Installing the gauge block and discharging the system "). 2. Replace defective elements. Attention: to avoid contamination of the system, immediately install...
1. Remove the refrigerant from the system (see subsection " Installing the gauge block and discharging the system "). 2. Replace defective elements. Attention: to avoid contamination of the system, immediately install...
Tightening torques for threaded connections of the air conditioning system
Engines 5A-FE, 4A-FE, 4S-FE, 3S-FE Engine 2C
Engines 5A-FE, 4A-FE, 4S-FE, 3S-FE Engine 2C
Front heater and air conditioning unit
Removal and installation of the front block Note: when removing and installing the front block of the heater and air conditioning system, follow the assembly drawing "Front heater and air conditioning unit". Front...
Removal and installation of the front block Note: when removing and installing the front block of the heater and air conditioning system, follow the assembly drawing "Front heater and air conditioning unit". Front...
Removing the evaporator
1. Discharge the air conditioning system (see subsection " Installing the gauge block and discharging the system "). 2. Remove the side decorative cover and air filter. 3. Remove the following items: Note: when...
1. Discharge the air conditioning system (see subsection " Installing the gauge block and discharging the system "). 2. Remove the side decorative cover and air filter. 3. Remove the following items: Note: when...
Evaporator installation
Note: when installing the air conditioning evaporator, refer to the assembly drawing "Air conditioning evaporator". Note: The evaporator is installed in the reverse order of removal. Note: When installing, fill about 20...
Note: when installing the air conditioning evaporator, refer to the assembly drawing "Air conditioning evaporator". Note: The evaporator is installed in the reverse order of removal. Note: When installing, fill about 20...
Removing and installing the air conditioning control panel
Removing 1. (Lever type control panel). Set the levers of the air conditioning control panel to the specified positions: A) Airflow direction damper control lever to the FACE position.. b) Air intake damper control...
Removing 1. (Lever type control panel). Set the levers of the air conditioning control panel to the specified positions: A) Airflow direction damper control lever to the FACE position.. b) Air intake damper control...
Air conditioning control panel device
1 - radio, 2 - air intake damper control cable, 3 - cable for controlling the damper of the water tap, 4 - control cable for the airflow direction damper, 5 - upper trim of the center console, 6 - control panel (lever...
1 - radio, 2 - air intake damper control cable, 3 - cable for controlling the damper of the water tap, 4 - control cable for the airflow direction damper, 5 - upper trim of the center console, 6 - control panel (lever...
Adjusting the air conditioner control cables (lever type control panel)
1. To adjust, set the control levers to the following positions: A) Airflow direction damper control lever to the FACE position. b) Air intake damper control lever to the RECIRC position. V) Air mixing damper control...
1. To adjust, set the control levers to the following positions: A) Airflow direction damper control lever to the FACE position. b) Air intake damper control lever to the RECIRC position. V) Air mixing damper control...
Compressor device
1 - protection casing, 2 - compressor, 3 - refrigerant supply pipe, 4 - refrigerant outlet pipe, 5 - ring seal, 6 - mounting bracket.
1 - protection casing, 2 - compressor, 3 - refrigerant supply pipe, 4 - refrigerant outlet pipe, 5 - ring seal, 6 - mounting bracket.
Removing the compressor
1. Start the engine and set to idle, then turn on the air conditioner and let it run for 10 minutes. 2. Turn off the engine. 3. Disconnect the negative plug from the storage battery. 4. Discharge the air conditioning...
1. Start the engine and set to idle, then turn on the air conditioner and let it run for 10 minutes. 2. Turn off the engine. 3. Disconnect the negative plug from the storage battery. 4. Discharge the air conditioning...
Checking the electromagnetic clutch of the compressor
1. Visual check. A) Check that there are no traces of oil on the pressure plate and rotor. b) Check for noise and grease leakage from the clutch bearings. Check the absence of extraneous noise from the clutch bearings....
1. Visual check. A) Check that there are no traces of oil on the pressure plate and rotor. b) Check for noise and grease leakage from the clutch bearings. Check the absence of extraneous noise from the clutch bearings....
Checking the compressor on the car
1. (Except 5A-FE, 4A-FE). Check the compressor running sensor. Measure resistance between leads "1" And "2". Resistance - 135 ohms at 20°C.
1. (Except 5A-FE, 4A-FE). Check the compressor running sensor. Measure resistance between leads "1" And "2". Resistance - 135 ohms at 20°C.
Checking the electromagnetic clutch relay
A) Check for continuity between terminals "1" And "2". b) Check for continuity between terminals "3" And "5". V) Check for continuity between terminals "3" And "5" relay when battery voltage is applied to the terminals...
A) Check for continuity between terminals "1" And "2". b) Check for continuity between terminals "3" And "5". V) Check for continuity between terminals "3" And "5" relay when battery voltage is applied to the terminals...
Fan of the heater system and air conditioning system
Removal and installation of the fan Note: when removing and installing the fan, follow the assembly drawing "Heater and air conditioning fan". Fan disassembly and assembly Note: when disassembling and assembling the...
Removal and installation of the fan Note: when removing and installing the fan, follow the assembly drawing "Heater and air conditioning fan". Fan disassembly and assembly Note: when disassembling and assembling the...
Checking fan operation
1. Check fan relay #2. A) Check for continuity between terminals "2" And "4". b) Check for continuity between terminals "1" And "3". V) Check for continuity between terminals "1" And "5". G) Check for continuity between...
1. Check fan relay #2. A) Check for continuity between terminals "2" And "4". b) Check for continuity between terminals "1" And "3". V) Check for continuity between terminals "1" And "5". G) Check for continuity between...
Checking the air conditioner control panel switches
1. Check switch "A/C - ECON" (lever type panel). Check for continuity between the terminals at various switch positions. 2. Checking for continuity between connector pins "A" And "IN" control panels (button type panel)...
1. Check switch "A/C - ECON" (lever type panel). Check for continuity between the terminals at various switch positions. 2. Checking for continuity between connector pins "A" And "IN" control panels (button type panel)...
Servo testing
1. Checking the air intake damper servo. A) Connect "+" battery to the output "2", A "-" to the conclusion "3", check that the damper moves to the position "RECIRC". b) Connect "+" battery to the output "2", and to the...
1. Checking the air intake damper servo. A) Connect "+" battery to the output "2", A "-" to the conclusion "3", check that the damper moves to the position "RECIRC". b) Connect "+" battery to the output "2", and to the...
Magnetic valve
Connect "+" battery to output "3", and ground and check for the characteristic sound of valve operation.
Connect "+" battery to output "3", and ground and check for the characteristic sound of valve operation.
Fan resistor
Lever Type Panel Check the resistance between the fan resistor terminals. Button type panel Check the resistance between the terminals of the heater resistor. Resistance - 1.8-2.2 Ohm
Lever Type Panel Check the resistance between the fan resistor terminals. Button type panel Check the resistance between the terminals of the heater resistor. Resistance - 1.8-2.2 Ohm
Power transistor (button type panel)
Measure the resistance between the terminals of the power transistor. Resistance - 1.9-2.5 kOhm Checking work 1. Connect "+" battery through a 12V bulb - 3.4 W to the output "1" connector, and connect to the terminal...
Measure the resistance between the terminals of the power transistor. Resistance - 1.9-2.5 kOhm Checking work 1. Connect "+" battery through a 12V bulb - 3.4 W to the output "1" connector, and connect to the terminal...
Cabin temperature sensor
Check if the temperature dependence of the sensor resistance is correct, as shown in the figure (button type control panel). Resistance at 25°C - 1.6-1.8 kOhm
Check if the temperature dependence of the sensor resistance is correct, as shown in the figure (button type control panel). Resistance at 25°C - 1.6-1.8 kOhm
Temperature sensor behind the evaporator
Check the resistance between the sensor connector terminals. Resistance: at 0°С - 4.6-5.1 kOhm at 40°C - 2.1-2.6 kOhm
Check the resistance between the sensor connector terminals. Resistance: at 0°С - 4.6-5.1 kOhm at 40°C - 2.1-2.6 kOhm
Checking the ambient air temperature sensor
Check if the temperature dependence of the sensor resistance is correct (see picture). Resistance at 25°C - 1.6-1.8 kOhm
Check if the temperature dependence of the sensor resistance is correct (see picture). Resistance at 25°C - 1.6-1.8 kOhm
Light sensor
1. Shield the sensor from light and check that there is no continuity between the leads. 2. Point a bright light source at the sensor, check for conductivity.
1. Shield the sensor from light and check that there is no continuity between the leads. 2. Point a bright light source at the sensor, check for conductivity.
Coolant temperature sensor in heater core
Measure resistance between leads "1" And "2" sensor connector at different fluid temperatures. Resistance: at 0°C - 50 kOhm at 40°C - 2.5-2.8 kOhm at 100°C - 0.2 kOhm
Measure resistance between leads "1" And "2" sensor connector at different fluid temperatures. Resistance: at 0°C - 50 kOhm at 40°C - 2.5-2.8 kOhm at 100°C - 0.2 kOhm
Pressure switches
Disconnect the connector and check the sensor. A) Install the gauge block. b) Check continuity between pins "1" And "4" switch connector according to the diagram. V) Check continuity between pins "2" And "3" switch...
Disconnect the connector and check the sensor. A) Install the gauge block. b) Check continuity between pins "1" And "4" switch connector according to the diagram. V) Check continuity between pins "2" And "3" switch...
Coolant temperature switch
Put the bottom of the sensor into water, check the conductivity between the case and the lead when the water temperature changes. 1. (Except 5A-FE). Conductivity test. A) Conductivity is at a temperature of 100°C and...
Put the bottom of the sensor into water, check the conductivity between the case and the lead when the water temperature changes. 1. (Except 5A-FE). Conductivity test. A) Conductivity is at a temperature of 100°C and...
Electropneumatic valve
1. Measure the resistance between the valve terminals. Rated resistance at 20°С — 30-34 Ohm 2. (In addition to 2C engines). Connect battery power to valve terminals as shown. Blow into the nozzle "E": air must come out...
1. Measure the resistance between the valve terminals. Rated resistance at 20°С — 30-34 Ohm 2. (In addition to 2C engines). Connect battery power to valve terminals as shown. Blow into the nozzle "E": air must come out...
Heater device
1 - latch, 2 - collar, 3 - ring seal, 4 - heater, 5 - coolant temperature sensor (button type panel), 6 - gear lever handle (for vehicles with manual transmission), 7 - latch, 8 - side decorative cover, 9 - platform for...
1 - latch, 2 - collar, 3 - ring seal, 4 - heater, 5 - coolant temperature sensor (button type panel), 6 - gear lever handle (for vehicles with manual transmission), 7 - latch, 8 - side decorative cover, 9 - platform for...
Removal and installation of a heater
Removing 1. Drain the liquid from the engine cooling system. 2. (For vehicles with manual transmission). Remove the handle and cover, gear lever. 3. (For vehicles with automatic transmission). Remove the trim for the...
Removing 1. Drain the liquid from the engine cooling system. 2. (For vehicles with manual transmission). Remove the handle and cover, gear lever. 3. (For vehicles with automatic transmission). Remove the trim for the...
Adjustment of the heater water valve control cable
Lever type control panel 1. To adjust, set the water faucet cable control lever on the panel to the position "COOL" (cooling). 2. Connect the cable and fix the cable with the clamp as shown in the figure. 3. Connect the...
Lever type control panel 1. To adjust, set the water faucet cable control lever on the panel to the position "COOL" (cooling). 2. Connect the cable and fix the cable with the clamp as shown in the figure. 3. Connect the...
Relay test
1. Checking the main heater relay. A) Check for continuity between terminals "1" And "3". b) Check for continuity between terminals "2" And "4". V) Check for continuity between terminals "4" And "5". G) When battery...
1. Checking the main heater relay. A) Check for continuity between terminals "1" And "3". b) Check for continuity between terminals "2" And "4". V) Check for continuity between terminals "4" And "5". G) When battery...
Checking the air conditioning amplifier
Lever Type Panel Button type panel
Lever Type Panel Button type panel
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- General information
- User manual
- Maintenance
- Power unit
- Engines 4A-FE, 5A-FE, 7A-FE
- Engines 3S-FE, 4S-FE
- Diesel engines 2C
- Engine repair
- Cooling system
- Lubrication system
- Fuel system
- Control system (diesel)
- Fuel injection system
- Engine electrical equipment
- Transmission
- Clutch
- Mechanical gearbox
- Automatic gearbox
- Drive shafts
- Chassis, running gear
- Car suspension
- Steering
- Brake system
- Body and interior
- Exterior (external elements)
- Interior (internal elements)
- Air conditioning and heater
- Electrical equipment
- Equipment and devices
- Headlights and lighting
- Breakers and switches
- Electrical circuits
- General information
- Introduction to the manual
- Power unit
- Gasoline engines
- Diesel engines
- Lubrication system
- Cooling system
- Fuel system (carburetor)
- Fuel system (injector)
- Ignition system
- Transmission
- Clutch
- Car gearbox
- Drive shafts
- Chassis, running gear
- Front suspension
- Rear suspension
- Steering
- Brake system
- Electrical equipment
- Power devices
- Electrical circuits