GF42.31-P-3200A | BAS pressure reduction function | 18.3.08 |
MODEL 129, 140 as of 1.12.96,
210 as of 1.2.97,
170, 202 as of 1.6.97,
168 up to 28.2.01,
163, 208, 209, 215, 220
MODEL 203 up to Model Year 08 /Modification Year 07
P42.31-0214-76
BAS pressure reduction
The BAS release switch (s1) is switched passively. Solenoid valve (y1) is switched off and only creates sufficient brake pressure to correspond to the position of the brake pedal.
Illustration: release position
A7/7 BAS brake booster
s1 BAS release switch
y1 BAS solenoid valve (control valve)
a Atmospheric pressure
c Vacuum