Sentra L4-1597cc 1.6L SOHC (E16S) (1985)
Air Induction Valve Solenoid: Description and Operation
Description, Non-Calif. (Warm Engine)
Fig. 50 Air injection valve system operation, Warm Engine.
The air injection valve system delivers secondary air to the exhaust manifold, utilizing a vacuum caused by exhaust pulsation in the exhaust manifold.
Specific operating conditions are outlined in Fig. 50.