Volkswagen Polo Service & Repair Manual: A/C Programmer -J127

Volkswagen Polo Service & Repair Manual / Refrrigerant R134a Servicing / Refrigerant Circuit General Information / 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

Electrical Components Not on Refrigerant Circuit

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Coolant Fan Control Module -J293

Note There are different construction styles. This control module switches on and off the A/C clutch ...

Other materials:

7-Pin« Trailer Socket
If more electrical consumers need to be connected than the »7-pin« socket allows, a second »7-pin« socket must be installed. Pin assignment must conform to DIN ISO 1724: 1 - Left turn signal 2 - Tail ...

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 ...

Refrigerant R134a Vapor Pressure Table
The vapor pressure table for every refrigerant is published in literature for refrigeration system engineers. This table makes it possible to determine the vapor pressure acting on the column of liquid in a vessel if the temperature of the vessel is know ...