9-5 Sport Wagon (9600) L4-2.3L Turbo (B235) (2003)
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Heater Control Valve: Description and Operation
Solenoid Valve, Heat Exchanger Shut-Off Valve
The climate system is equipped with a vacuum controlled shut-off valve for the heat exchanger. This is used when it is necessary to prevent coolant
circulating in the heat exchanger so that maximum cooling efficiency can be achieved. The control module controls a solenoid valve which in turn
manoeuvres the shut-off valve.
The solenoid valve is supplied from +54 circuit via fuse 31 and is controlled on the ground side from pin 24 on the ACC unit.
