Running gear
Body
Power unit
Power transmission
Vehicle electrics
Heating, ventilation, air conditioning system
Auxiliary heater
Self diagnosis, V.A.G Inspection Service
Auxiliary heater self-diagnosis
Self-diagnosis procedure
Interrogating fault memory
Auxiliary heater fault table
Auxiliary heater final control diagnosis
Basic setting of auxiliary heater
Erasing fault memory, end of output
Encoding auxiliary heater
Reading measured value block
Adaption of auxiliary heater
Auxiliary heater electrical checks
Functional description of auxiliary heater
Operating sequence
Auxiliary heater control sequence
Auxiliary heater components
Control sequence on start-up of auxiliary heater (also as supplementary heater)
Control sequence at low ambient temperatures
Control sequence at ambient temperatures greater than 0 °C or after starting engine
Auxiliary heater control curve
Heater coolant shut-off valve N279 actuation
Checking convenience data bus system
Aux. heater/heater booster
Air conditioner with refrigerant R134a
Air conditioning