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SECONDARY AIR SUPPLY SYSTEM
(,04 - '06 California type, After
'06)
SYSTEM INSPECTION
Warm
up
the engine to norma! operating tempera-
ture.
Check that the secondary air intake port is clean and
free
of carbon
deposits.
Check
the
pulse secondary ai
r
injection (PAIR) check
valve if
the
port is ca rbon
fouled
(page
5-32),
Disconnect the PAIR control valve vacuum hose and
plug the vacuum
hose.
Connect a vacuum
pump
to the
PAtR
control va lve.
Start
the
engine and open the throttle slightly to be
certain that air is sucked in through the
air
suction
hose.
If
the
air is not drawn in, check the air suction hose
for
clogs.
With the engine
running
,
gradually apply vacuum to
the PAIR control valve vacuum hose.
Check that the air suction hose stops
drawing
air,
and that the vacuum does
not
bleed.
SPECIFIED
VACUUM:
56 kPa
(420
mmHg)
If the
air
is drawn in, or if the specified vacuum is
not maintained, install a new PAIR control
valve.
PAIR CONTROL VALVE REMOVAL/
INSTALLATION
Remove the right
radiator
shroud (page 2-4)
.
Disconnect the
vacuu
m
,
air supply and air suction
hoses.
Remove
the
bolts, nuts and
PAIR
control valve.
Installation is in the reverse order of removal.
TORQUE:
PAIR control valve mounting
nut:
13
N·m (1.3 kgf·m, 9
IbUt)
FUEL SYSTEM
VACUUM PUMP
PAIR CONTROL VALVE
AIR
HOSE
VA(;UU'M
HOSE
5-31
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Table of Contents
Troubleshooting
