Inspect No Air Switching Valve

a. Disconnect the vacuum hose from the VSV for the air injection system.

b. Apply vacuum (30 kPa (306 gf/cm2 , 4.35 psi) to vacuum hose, check that the vacuum does not decrease.

If operation is not as specified, replace the No.2 air switching valve.

2007 ENGINE Emission Control - Sequoia

Vsv Valve Toyota
Fig. 20: Disconnecting Vacuum Hose From VSV For Air Injection System Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

c. Release the vacuum, and check that the operation sound is emitted from the No.2 air switching valve. If operation is not as specified, replace the No.2 air switching valve.

d. Perform procedures (a) to (c) to the other No.2 air switching valve.

2007 ENGINE Emission Control - Sequoia

Vacuum Switch Valve Camry 1997 Cyl

Fig. 21: Releasing Vacuum, & Checking That Operation Sound Is Emitted From No.2 Air Switching Valve

Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. REMOVAL

Fig. 21: Releasing Vacuum, & Checking That Operation Sound Is Emitted From No.2 Air Switching Valve

Courtesy of TOYOTA MOTOR SALES, U.S.A., INC. REMOVAL

1. REMOVE THROTTLE BODY COVER

2. REMOVE INTAKE MANIFOLD

see REMOVAL

3. REMOVE VSV FOR AIR INJECTION SYSTEM

a. Remove the 2 bolts and 2 VSVs from the intake manifold.

b. Remove the 2 vacuum hoses from the 2 VSVs.

2007 ENGINE Emission Control - Sequoia

Toyota 1kz Engine Vsv Valve
Fig. 22: Removing Bolts & VSVs From Intake Manifold Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

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Responses

  • Elanor
    How to replace 2007 toyota camry intake manifold?
    8 years ago
  • agamennone cocci
    How to change the vacuum switching valve on a 2000 toyota corolla?
    8 years ago

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