Volkswagen Golf Service & Repair Manual: Supplementary heating mode

Volkswagen Golf Service & Repair Manual / Auxiliary heater / Aux. heater/heater booster / Regulation of auxiliary and supplementary heater / Supplementary heating mode

Once the coolant temperature has reached approx. 84 °C, the control unit switches to energy-saving control mode. If the coolant temperature continues to rise above approx. 88 °C, the control unit switches to the controlled waiting period. If the coolant temperature does not drop below approx. 76 °C within 15 minutes during the controlled waiting period, the heater unit will initiate the start procedure into the standard control mode when the coolant temperature does drop below approx. 76 °C.

Functional description

The auxiliary and supplementary heater can be started by means of the remote control, the instant heating button or appropriate programming in the central monitor. Th ...

Auxiliary heater mode

Switching on auxiliary heater mode in vehicles with manual air conditioning: – Press instant heating button-1-. ...

Other materials:

Removing and installing sealing flange on pulley end
Special tools and workshop equipment required Flat scraper Sealant → Electronic Parts Catalogue Removing – Remove noise insulation ...

Safety precautions when working on high-voltage system
Danger to life due to high voltage The high-voltage system is under high voltage. There is a risk of severe or fatal injury due to electric shock. – Persons with life-preserving or other electronic medical devices in or on their body must not perf ...

Purging (cleaning) refrigerant circuit with refrigerant R134a
Vehicles with high-voltage system (hybrid vehicles) Observe the additional warning instructions for working on vehicles with high-voltage system → Electrical system; Rep. gr.93. ...