D21 Hardbody 2WD L4-2389cc 2.4L SOHC (Z24i) (1988)
/Page-550001.png)
Vacuum Control Flap Switchover Valve: Description and Operation
Fig. 53 Vacuum switch.
When intake manifold vacuum increases during deceleration, this switch is activated, interrupting the electrical signal which is sent to the vacuum
switching valve.