On-Vehicle Inspection

2UZ-FE EMISSION CONTROL: AIR SWITCHING VALVE: ON-VEHICLE INSPECTION

ON-VEHICLE INSPECTION

1. INSPECT NO. 2 AIR SWITCHING VALVE





(a) Disconnect the vacuum hose from the VSV for the air injection system (Procedure "A").
(b) Apply vacuum (30 kPa (306 gf/cm2, 4.35 psi)) to the vacuum hose, and check that the vacuum does not decrease (Procedure "B").
If operation is not as specified, replace the No. 2 air switching valve.





(c) Release the vacuum, and check that an operation sound is emitted from the No. 2 air switching valve (Procedure "C").
If operation is not as specified, replace the No. 2 air switching valve.
(d) Perform procedures "A" to "C" for the other No. 2 air switching valve.