Operation CHARM: Car repair manuals for everyone.

Test Step 9








Testing switchover valve for center nozzle flap and connecting lines 1 and 4






Control Panel






Wiring diagram for test step 9 with adaptor:
4 Pushbutton switch unit
a Defrosting
b Overall ventilation
c Normal setting (air conditioning on)
d EC (air conditioning off)
e Off
9 Electronic switchgear for temperature control
10 Fusebox
13 Switchover valve for center nozzle flap