Intake Air Control Valve ASSY No. 3 (3MZ-FE): Replacement

WARNING: This page is about a different car, the 2004 Lexus ES 330. However, it is still accessible from the selected car via links, so may be relevant.

DISCONNECT ENGINE WIRE NO. 3 (BATTERY NEGATIVE TERMINAL)
REMOVE RADIATOR LOWER AIR DEFLECTOR
REMOVE AIR CLEANER INLET ASSY
REMOVE AIR CLEANER CAP SUB-ASSY
1. Disconnect the mass air flow meter connector.
2. Disconnect the 4 vacuum hoses.
3. Loosen the hose clamp bolt.
4. Loosen the 2 bolts, then remove the air cleaner cap.
5. Remove the air cleaner filter element.
  
  Fig 1: Removing Air Cleaner CAP Sub-Assy
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE INTAKE AIR CONTROL VALVE ASSY NO. 3
1. Disconnect the VSV connector.
2. Disconnect the vacuum hose.
3. Unfasten the 2 claws, then remove the intake air control valve No. 3.
  
  Fig 2: Removing Intake Air Control Valve Assy No. 3
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
INSTALL INTAKE AIR CONTROL VALVE ASSY NO. 3
INSTALL AIR CLEANER CAP SUB-ASSY
Torque: 5.0 N.m (51 kgf.cm, 44 in.lbf)
INSTALL AIR CLEANER INLET ASSY
CHECK CONNECTION OF VACUUM HOSE
INSTALL RADIATOR LOWER AIR DEFLECTOR
CONNECT ENGINE WIRE NO. 3 (BATTERY NEGATIVE TERMINAL)
Torque: 5.4 N.m (55 kgf.cm, 48 in.lbf)
SYSTEM INITIALIZATION (See PRECAUTION )