Volkswagen Polo Service & Repair Manual: Electrical Components Not on Refrigerant Circuit

A/C Compressor Regulator Valve -N280

  Note For switching pressures, removing and installing switches and switch arrangement and version, see vehicle-specific 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 fr ...

Other materials:

Wiring Harness Repair Set - Hot Air Blower -VAS1978/14A
  Caution When heat-shrinking crimp connections, be careful not to damage any other wiring, plastic parts or insulating material with the hot nozzle of the hot air gun. Always ...

Special Connector Systems
  Note If necessary, housing securing mechanisms (secondary locks) must be released or removed using specified tool before releasing the contacts. Refer to → Chapter „Secondary Lock“.     ...

Electronic immobilizer
First read and observe the introductory information and safety warnings The immobilizer helps to prevent the engine from being started and driven with an unauthorised vehicle key. There is a chip in the key. It automatically deactivates the immobilizer when the vehicle key is inserted into ...