TOYOTA SIENNA 2007 Service Repair Manual

IT–102GR-FE INTAKE – VACUUM SWITCHING VALVE
IT
INSTALLATION
1. INSTALL VACUUM SWITCHING VALVE ASSEMBLY
(a) Install the vacuum switching valve with the screw.
(b) Install the 2 vacuum hoses and vacuum switching
valve connector.
A161856

2GR-FE INTAKE – INTAKE SYSTEMIT–1
IT
ENGINE
2GR-FE INTAKE
INTAKE SYSTEM
PARTS LOCATION
A162728E01

IT–22GR-FE INTAKE – INTAKE SYSTEM
IT
SYSTEM DIAGRAM
A162720E01

2GR-FE INTAKE – INTAKE AIR CONTROL VALVEIT–5
IT
REMOVAL
1. REMOVE NO. 2 AIR CLEANER INLET (See page EM-
28)
2. REMOVE AIR CLEANER CAP SUB-ASSEMBLY
(a) Disconnect the 3 vacuum hoses.
(b) Loosen the bolt, disconnect the 2 connectors, and
remove the 2 vacuum hoses.
(c) Remove the 2 bolts, air cleaner cap sub-assembly,
and air cleaner filter element.
3. REMOVE NO. 3 INTAKE AIR CONTROL VALVE
ASSEMBLY
(a) Disengage the 2 claws and remove the No. 3 intake
air control valve assembly.
A162723E01
A162726
A161845
A162725

IT–62GR-FE INTAKE – INTAKE AIR CONTROL VALVE
IT
INSPECTION
1. INSPECT NO. 3 INTAKE AIR CONTROL VALVE
ASSEMBLY
(a) Inspect actuator operation.
(1) With 26.7 kPa (200 mm Hg, 7.9 in. Hg) of
vacuum applied to the actuator, check that the
actuator rod moves.
(2) One minute after applying the vacuum, check
that the actuator rod does not return.
(3) If the operation is not as specified, replace the
No. 3 intake air control valve.
INSTALLATION
1. INSTALL NO. 3 INTAKE AIR CONTROL VALVE
ASSEMBLY
(a) Engage the 2 claws and install the No. 3 intake air
control valve assembly.
2. INSTALL AIR CLEANER CAP SUB-ASSEMBLY
(a) Install the air cleaner filter element, and air cleaner
cap sub-assembly with the 2 bolts.
Torque: 5.0 N*m (50 kgf*cm, 44 in.*lbf)
(b) Connect the 3 vacuum hoses.
(c) Tighten the bolt, connect the 2 connectors, and
install the 2 vacuum hoses.
3. INSTALL NO. 2 AIR CLEANER INLET (See page EM-
60)
A162719
A162725
A161845
A162723E01
A162726

IT–62GR-FE INTAKE – VACUUM TANK
IT
VACUUM TANK
ON-VEHICLE INSPECTION
1. INSPECT AIR CLEANER CAP SUB-ASSEMBLY
(a) Check that air flows from port B to port A.
(b) Apply 60 kPa (450 mm Hg, 18 in. Hg) of vacuum to
port B. Check that there is no change of vacuum
after one minute.
A162504E01

2GR-FE INTAKE – VACUUM SWITCHING VALVEIT–7
IT
ENGINE
2GR-FE INTAKE
VACUUM SWITCHING VALVE
COMPONENTS
A162502E01

IT–82GR-FE INTAKE – VACUUM SWITCHING VALVE
IT
REMOVAL
1. REMOVE VACUUM SWITCHING VALVE ASSEMBLY
(a) Remove the 2 vacuum hoses and vacuum switching
valve connector.
(b) Remove the screw and vacuum switching valve.
INSPECTION
1. INSPECT VACUUM SWITCHING VALVE ASSEMBLY
(a) Inspect VSV operation.
(1) Using an ohmmeter, measure the resistance
according to the value(s) in the table below.
Standard resistance
If the result is not as specified, replace the
VSV.
(b) Inspect the VSV for ground.
(1) Using an ohmmeter, measure the resistance
according to the value(s) in the table below.
Standard resistance
If the result is not as specified, replace the
VSV.
A161856
A075331E02
Terminals Condition Specified Condition
1 - 2 20
C (68F) 37 to 44
A075332E03
Terminals Condition Specified Condition
1 - Body ground 20
C (68F) 10 k or higher
2 - Body ground 20
C (68F) 10 k or higher

2GR-FE INTAKE – VACUUM SWITCHING VALVEIT–9
IT
(2) Inspect VSV operation.
• Check that air flows from port E to the filter.
• Apply battery voltage across the terminals.
• Check that air flows from port E to port F.
If operation is not as specified, replace the
VSV.
A126855E01

2GR-FE EXHAUST – EXHAUST PIPE (for 2WD)EX–1
EX
ENGINE
2GR-FE EXHAUST
EXHAUST PIPE (for 2WD)
COMPONENTS
A162480E01