5-12 ENGINE TOP END
Clean Air System
Air Switching Valve Removal
Fuel Tank (see Fuel Tank Removal in the Fuel System
Air Cleaner Housing (see Air Cleaner Housing Removal
in the Fuel System (DFI) chapter)
Disconnect the connector [A].
Separate the hoses [B] from the air suction valve covers
and air cleaner housing holder, and remove the air switch-
ing valve [C].
Never drop the air switching valve, especially on
a hard surface. Such a shock to the air switching
valve can damaged it.
Air Switching Valve Installation
Route the hoses correctly (see Cable, Wire, and Hose
Routing section in the Appendix chapter).
Air Switching Valve Operation Test
Refer to the Air Suction System Damage Inspection in the
Periodic Maintenance chapter.
Air Switching Valve Unit Test
Refer to the Air Switching Valve Unit Test in the Electrical
Clean Air System Hose Inspection
Be certain that all the hoses are routed without being flat-
tened or kinked, and are connected correctly to the air
cleaner housing, air switching valve and air suction valve
If they are not, correct them. Replace them if they are