User Guide

19. EXHAUST EMISSION CONTROL
SYSTEM
19-5
AIR INJECTION CUT-OFF
VALVE (A.I.C.V.)
REMOVAL
1. Remove the front right side cover. (
!
2-4)
2. Disconnect all the tubes that go to the air
injection cut-off valve.
3. Remove the air injection cut-off valve.
INSPECTION
1. Inspect the air injection cut-off valve
flow using a vacuum pump. If the flow is
not within the specified values, replace
with a new one.
2. The flow should be at least 30 liter/min
when a vacuum of 250mm/Hg is applied.
3. The flow should be at least 1.6 liter/min
when a vacuum of 320mm/Hg is applied.
4. Check each connecting tube for cracks or
damage and replace if necessary.
INSTALLATION
1. The installation sequence is the reverse of
removal.
• When installing, be careful not to bend or twist the tubes
and check for proper installation.
• The tube length is very important to its performance, use
the tube of same specification for replacement.
＊
Vacuum Tube
Bolt
Air Injection Cut-off Valve
Vacuum Pump
Tube to Reed Valve
Air Inlet Tube
Air Injection Cut-off Valve