Test 10

ACC Manual Function Test:

Manual Function Test System Operation

Main Air Flap Opened:

Main Air Flap Position

Vacuum Function "a" Defrost:

LEGEND
17 = Switchover valve for main air flap
18 = Switchover valve for fresh air/recirculating air flap
35 = Vacuum connection to vacuum line from vacuum pump
36 = Check valve
37 = Vacuum reservoir (not used on 123.1)
41 = Vacuum element for fresh air/recirculating air flap (position "fresh air")
42 = Vacuum element for main air flap (flap "open")
44 = Throttle (orifice)
48 = 6-point distributor


Color Code
ge = Yellow
gn = Green
gr = Gray
rt = Red
ws = White
hbl = Light blue
sw = Black