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:

Pressure Gauge, Tests and Measurements
Indicators on pressure gauge 1 -  Temperature scale for refrigerant R134a CF3–CH2F or CH2F–CF3. 2 -  Pressure scale The pressure gauge may have one or more temperature s ...

Charging, replacing, disconnecting and connecting the vehicle battery
First read and observe the introductory information and safety warningsCharging the battery The vehicle battery should be charged by a qualified workshop, as the technology used in factory-fitted batteries requires voltage-limited charging . Volkswagen recommends using a Volkswagen dealership ...

Warning and indicator lamps
The warning and indicator lamps indicate various warnings , faults or certain functions. Some warning and indicator lamps light up when the ignition is switched on and should go out once the engine is running or the vehicle is in motion. Depending on the vehicle's equipment level, additional ...