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:

Parking
First read and observe the introductory information and safety warnings Please adhere to relevant legislation when stopping and parking your vehicle. Stopping the vehicle The steps should only be carried out in the specified order. Stop the vehicle on a suitable surface  . Depre ...

Tires, Dismounting, Wheels without and with Tire Pressure Monitoring System
If equipped check the tire pressure monitoring sensor with the vehicle diagnostic tester and if necessary replace.   Note When cleaning disc wheel (rim), the tire pressure monitoring sensor (if equipped) must not come into c ...

Test Requirements
  Note Check cooling performance. The A/C system is functioning correctly when the air flowing from the instrument panel vents has a temperature of 70C or lower. Setting on Climatronic “LO”. ...