A/c Compressor Controls (Full Auto): Overview Hyundai Tiburon II

DESCRIPTION

The photo sensor is located by the driver side defrost nozzle. In response to the photo intensity level in the vehicle, the sensor will send signals to control module to control the blower level and discharge temperature.

Scheme 1

Note. Emit intensive light toward driver side and passenger side using a lamp and check the current change between terminals 1 & 2.

Scheme 2

1. The A.Q.S. sensor, located at the center support in front of the engine radiator, detects hazardous elements in ambient air and provides output signals to the control module.
2. It will detect sulfurous acid gas, carbon dioxide, carbon monoxide, hydrocarbon and allergen.
3. Sensitivity of used gas sensor Sensitivity at NO2 0.3PPM : more than 2.8 Sensitivity at gasoline 10PPM : less than 0.45
4. Delay time ON time (on) : 5sec. OFF time (off) : 0sec.

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Scheme 5

1. Put the sensor part of AQS toward the air inflow (intake) direction.
2. Connect all of the power supply line and output line to AQS.
3. Close the chamber lid after putting the lines in order.
4. Connect the air outlet part of vacuum pump with the air inlet door of chamber by using air hose.
5. Turn on the power of vacuum pump.
6. Supply the power to the AQS. (DC 12V)
7. LED of AQS is kept "ON" for the first 35 +/- 2 seconds after supplying the power.
8. Wait until all of the LEDs are "OFF". Put the diesel engine exhaust gas into the chamber. Then check the LEDs of number 1 to 10 are "ON".
9. After check LEDs are "ON". Put the clean air into the chamber. Then check LEDs are "OFF".
10. Wait until all of the LEDs are "OFF".
11. And then put the gasoline engine exhaust gas into the chamber, then check the LEDs of number 1 to 10 are "ON".
12. After check LEDs are "ON". Put the clean air into the chamber. Then check LEDs are "OFF".

1. The air temperature sensor, located at the front of the engine radiator, detects ambient air temperature. It is a negative type thermistor; resistance will increase with lower temperatures, and decrease with higher temperatures.
2. The sensor output will be used for discharge temperature sensor, sensor fail-safe, temperature regulation door control, blower motor level control, mix mode control and in-car humidity control. R25°C : 30Kohm +/- 3% B(0/25) : 3754K +/- 2% Operation Temp. range : -30°C ~ 80°C

Scheme 6

It will detect interior temperature, which will be used for discharge temperature control, sensor fail-safe, temperature door control, blower motor level control, and A/C auto control.

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Scheme 8

General performance

1. Operating temp. : -30°C ~ +80°C
2. Operating voltage : DC 9V ~ 16V
3. Rated voltage : DC 12V
4. Rated load : 4kgf/cm

Potentiometer specification

1. Rated voltage : DC 12V
2. Rated watt. : 0.25W (at 40°C)
3. Operation volt : DC 5V +/- 0.5V
4. Total resistance : 5kohm +/- 10%

Basic performance

1. Output lock torque : Min 1.76Nm (18kgf/cm) (at DC 12V)
2. Rated AMP : Max. 150mA
3. Lock vol. : Max. 400ma

Potentiometer

1. Characteristics

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Scheme 12

1. Disconnect the 7P connector (A) from the temp. actuator (B). Remove the self-tapping screws and the temp. actuator from the heater unit.
2. Install in the reverse order of removal. After installation, make sure temp. actuator runs smoothly.

Scheme 13

General performance

1. Operating temp. : -30°C ~ +80°C
2. Operating voltage : DC 9V ~ 16V
3. Rated voltage : DC 12V
4. Rated load : 4kgf/cm

Potentiometer specification

1. Rated voltage : DC 12V
2. Rated watt. : 0.25W (at 40°C)
3. Operation volt : DC 5V +/- 0.5V
4. Total resistance : 5kohm +/- 10%

Basic performance

1. Output lock torque : Min 1.76Nm (18kgf/cm) (at DC 12V)
2. Rated AMP. : Max 150mA
3. Lock vol. : Max. 400mA

Potentiometer

1. Characteristics

Scheme 14

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Scheme 17

1. Remove the 7P connector (A) from the mode actuator (B). Remove the self- tapping screws and the mode actuator from the heater unit.
2. Install in the reverse order of removal. After installation, make sure the mode actuator runs smoothly.

Scheme 18

General performance

1. Operating temp. : -30°C ~ +80°C
2. Operating voltage : DC 9V ~ 16V
3. Rated voltage : DC 12V
4. Rated load : 4kgf/cm

Scheme 19

Scheme 20

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Scheme 22

1. Disconnect the 7P connector (A) from the inlet actuator (B). Remove the self-tapping screws and the inlet actuator from the blower unit.
2. Install in the reverse order of removal. After installation, make sure the inlet actuator runs smoothly.

BUTTON CONTROL AND OPERATION LOGIC

1. All buttons should be back-up.
2. Push the button, then the operation sound is made for 0.1 sec. When a S/W is selected, and operation sound is made as well).

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Scheme 28

During mode control, the A/C may operate during DEF or MIX mode. In order to enable dehumidification, the driver may select A/C OFF during the A/C on condition.

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Since FATC controller is complicated in functions as shown in the above chart, it is impossible to conclude its reason at the occurrence of failure. All possibilities of failure shall be considered for the purpose of efficient. How to check.

1. Power supply check
2. Back light and Rear glass heat rays check
3. Blower check
4. Air conditioner check
5. Intake check and AQS check
6. Mode check
7. Temp check