VW Touran manuals

Volkswagen Touran Service Manual: Electrical Components Not on Refrigerant Circuit

A/C Programmer -J127-

This programmer switches the refrigerant flow direction through the second evaporator if the temperature on the cooling fins on the second evaporator lowers to the freezing point for water (icing protection).
  A/C Programmer -J127-

Coolant Fan Control Module -J293-

  Note
There are different construction styles.
   
This control module switches on and off the A/C clutch and therefore the A/C compressor. It switches the coolant fan and calculates the pressure in the refrigerant circuit on vehicles with a High Pressure Sensor -G65- or A/C Pressure/Temperature Sensor -G395-.
  Coolant Fan Control Module -J293-

Coolant Fan Control Module -J293

  Note
Available in different construction styles, some installed on coolant fan -arrows-.
   
This control module switches on and off the A/C clutch and therefore the A/C compressor. It switches the coolant fan and calculates the pressure in the refrigerant circuit on vehicles with a High Pressure Sensor -G65- or A/C Pressure/Temperature Sensor -G395-.
  Coolant Fan Control Module -J293

A/C Evaporator Temperature Switch -E33

Function:
The A/C Evaporator Temperature Switch -E33- determines the temperature between the evaporator cooling fans. It prevents the possibility of ice building up between the evaporator cooling fans because the current entry to the condenser magnetic clutch is interrupted when the temperature on the cooling fins lowers to the freezing point for humidity.
The insertion depth of the feeler tube is marked or indicated in the repair manual. Refer to → Rep. Gr.87.
  Note
Installed on VW vehicles with the A/C compressor drive above the ribbed belt
  A/C Evaporator Temperature Switch -E33

Evaporator Vent Temperature Sensor -G263- or Evaporator Temperature Sensor -G308

Function:
The Evaporator Vent Temperature Sensor -G263- or Evaporator Temperature Sensor -G308- determines the temperature behind the evaporator. This value goes to the air conditioning control module and serves as a reference signal for regulating the A/C compressor. This prevents the evaporator from icing up.
  Evaporator Vent Temperature Sensor -G263- or Evaporator Temperature Sensor -G308
    A/C Compressor Regulator Valve -N280
      Note For switching pressures, removing and installing switches and switch arrangement and version, see vehicle-specific refrigerant circuit. ...

    Refrigerant Circuit Pressures and Temperatures
      WARNING When performing work on refrigerant circuit, observe all generally applicable safety precautions and pressure ...

    Other materials:

    Volkswagen Touran Owners Manual. Warning lamp and coolant temperature display
    Fig. 176 Coolant temperature display in instrument cluster: Ⓐ cold; Ⓑ normal; Ⓒ warning First read and observe the introductory information and safety warnings In normal driving conditions, the needle will be in the middle section of the scale. The temperature may also rise when th ...

    Volkswagen Touran Service Manual. Aqua Premium System, Touch-Up System for Three Layer Colors
    Product Description/Objective To achieve an optically flawless color shade transition in the blended area or adjacent parts, for example fender/door. Application Instructions Base Surface ...

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