Operation CHARM: Car repair manuals for everyone.

Test Step 7








Testing temperature dial and connecting lines 5 and 7






Control panel






Wiring diagram for test step 7 with adaptor:
3 Temperature dial
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 to temperature control