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The air conditioner system is supplied with power from terminal 15 (ignition switch) via fuse 9. Remove cover from central electric board remove both center console side trim panels. 2.) CEL plugs Fl and L6 . , n 3.) On right side of center console a 6-pin flat male plug (3) can be seen term. 1 (black white) _ 4.) On control switch plug (Bl) term. 4 (black white) and term. 5 (black white). Plug is only accessible after removal or switch unit. 5 .) Term._of Plug with Program Control at Pos . 11...

Porsche 928 Recirculation Flap

The vacuum servos regulating the flaps are activated by solenoid valves. The flap activation can also be checked in conjunction with the above mentioned test. If the test lamp comes on for a given valve (vacuum available) , the corresponding flap must be in the following position. Footwell open Defroster closed Center vent open 1st step (switch must be in bottom position) Center vent open 2nd step (switch must be in bottom position) Mixing flap open Heater valve closed Recirculation closed D.)...

Temp Mixing

FLAP POSITION o i0 20 30 40 50 60 70 80 90 100 928 - AUTOMATIC AIR CONDITIONER (Climate Control) (Flap Hose Diagram) Center vent double servo (orange Center vent double servo (brown) Recirculation servo (blue Recirculation flap Blower connection (fresh air Electric vacuum solenoid valve Servo motor and control unit 10 Water valve + mixture flap 11 Vacuum solenoid Recirculation flap 13 Center vent 1st 2nd step 15 Temperature sender, coolant 16 Temperature switch, evaporator 21-Ashtray Diagram 3...