NOTICE
Never drop the air switching valve especially on a hard surface. Such a shock to the air switching valve can damaged it.

Air Suction Valve Inspection
Air Switching Valve InstallationUpper Crankcase Assembly
When installing the breather plate, replace the gasket [A]
with a new one.
Apply a non-permanent locking agent to the threads of
the bolts [A] and tighten them.
Torque - Breather Plate Bolts: 9.8 N·m (1.0 kgf·m, 87 in·lb)
Install the fitting [A] until it is bottomed ...
Stator Coil Installation
Apply a non-permanent locking agent to the threads of
the stator coil bolts and tighten them.
Torque - Stator Coil Bolts: 12 N·m (1.2 kgf·m, 106 in·lb)
Using a high flash-point solvent, clean off any oil or dirt
that may be on the silicone sealant coating area. Dry
them with a clea ...
DFI System
1. ECU
2. Battery
3. Vehicle-down Sensor
4. Exhaust Butterfly Valve Actuator
5. Vacuum Chamber (Other than US, CA and CAL Models)
6. Air Intake Valve Actuator (Other than US, CA and CAL Models)
7. Air Intake Valve (Other than US, CA and CAL Models)
8. Air Flow
9. Air Intake Solenoid Valve ...